This page presents a list of the longest railway tunnels of the world, excluding subway tunnel sections.
| Name | Location | Length in km (mi) | Year completed | Line | |
|---|---|---|---|---|---|
| Gotthard Base Tunnel | Switzerland (Alps) | &, 2 tubes | 2016 | new Gotthard railway | |
| Seikan Tunnel | Japan (Tsugaru Strait) | 1988 | Kaikyo Line (Hokkaidō Shinkansen) | ||
| Channel Tunnel | France/United Kingdom (English Channel) | , 3 tubes | 1994 | High Speed 1 (UK) / LGV Nord (France) | |
| Yulhyeon Tunnel | South Korea (Gyeonggi) | 50.31NaN1[1] | 2016 | Suseo High Speed Railway | |
| Songshan Lake Tunnel[2] | China (Dongguan) | , 2 tubes | 2016 | Dongguan–Huizhou Intercity Railway | |
| Shenzhen Hong Kong Tunnel | China (Shenzhen)/Hong Kong | 35.655km (22.155miles), 2 tubes | 2018 | Guangzhou-Shenzhen-Hong Kong Link | |
| Lötschberg Base Tunnel | Switzerland (Bernese Alps) | &, 2 tubes | 2007 | Lötschbergbahn Brig - Thun (- Bern - Basel) | |
| New Guanjiao Tunnel | China (Qinghai) | , 2 tubes | 2014 | Qinghai–Tibet Railway | |
| Guadarrama Tunnel[3] | Spain (Sierra de Guadarrama) | &, 2 tubes | 2007 | Madrid–Asturias High-Speed Rail (Madrid – Valladolid) | |
| Ping'an Tunnel | China (Sichuan) | 2023 | Chengdu–Lanzhou Railway | ||
| West Qinling Tunnel | China (Gansu) | , 2 tubes | 2016 | Chongqing–Lanzhou railway | |
| Taihang Tunnel[4] | China (Shanxi) | &, 2 tubes | 2007 | Shijiazhuang–Taiyuan High-Speed Railway | |
| Hakkōda Tunnel | Japan (Hakkōda Mountains) | 2010 | Tōhoku Shinkansen | ||
| Iwate-Ichinohe Tunnel | Japan (Ōu Mountains) | 2002 | Tōhoku Shinkansen | ||
| Musil Tunnel | South Korea (Kangwon) | 25.08km (15.58miles)[5] | 2021[6] | Jungang Line | |
| Pajares Base Tunnel | Spain (Cantabrian Mountains) | , 2 tubes | 2023 | Madrid–Asturias High-Speed Railway (León – Gijón) | |
| Lainzer/Wienerwaldtunnel | Austria (Vienna) | , partially 2 tubes | 2012 | Westbahn | |
| South Lüliangshan Tunnel[7] | China (Shanxi) | &, 2 tubes | 2014[8] | Watang–Rizhao railway | |
| Desheng Tunnel | China (Sichuan) | 22.9431NaN1 | 2023 | Chengdu–Lanzhou Railway | |
| Xiaoshan Tunnel[9] | China (Henan) | &, 2 tubes | 2019 | Haoji Railway | |
| Wanhua-Banciao Project in Taipei–Keelung Metropolitan Area | Taipei, Taiwan | 22.672 km TRA (14.09 mi) & 21.508 km THSR (13.4 mi) | 2008 | Taiwan High Speed Rail | |
| Middle Tianshan Tunnel[10] | China (Xinjiang) | &, 2 tubes | 2014[11] | Turpan-Kuqa County Railway | |
| [12] | Japan (Iiyama) | 2015 | Hokuriku Shinkansen | ||
| Daishimizu Tunnel | Japan (Mount Tanigawa) | 1982 | Jōetsu Shinkansen | ||
| Qingyunshan Tunnel[13] [14] | China (Fujian) | &, 2 tubes | 2013 | Xiangtang–Putian railway | |
| Xiaoxiangling Tunnel | China (Sichuan) | 2022 | Chengdu–Kunming Railway Double Track | ||
| Daegwallyeong Tunnel | South Korea (Kangwon) | 21.755km (13.518miles) | 2017 | Gyeonggang line | |
| China (Hebei) | & | 2014[15] | Zhangjiakou–Tangshan railway | ||
| Lüliangshan Tunnel | China (Shanxi) | &, 2 tubes | 2011 | Taiyuan-Zhongwei-Yinchuan railway | |
| Geumjeong Tunnel[16] | South Korea (Busan) | 2010 | Gyeongbu High Speed Railway | ||
| Dangjinshan Tunnel[17] | China (Gansu) | 2019 | Golmud–Dunhuang railway | ||
| Wushaoling Tunnel | China (Gansu) | &, 2 tubes | 2006 | Lanzhou - Ürümqi railway | |
| Yuelongmeng Tunnel | China (Sichuan) | &, 2 tubes | 2023 | Chengdu–Lanzhou Railway | |
| Simplon Tunnel | Italy/Switzerland (Lepontine Alps) | 1906/1922 | Genève/Basel - Brig - Novara/Milano | ||
| Blix Tunnel | Norway (Oslo) | 2023[18] | Follo Line | ||
| Qamchiq Tunnel[19] | Uzbekistan (Qurama Mountains) | 2016 | Angren-Pap Railway | ||
| Muzhailing Tunnel[20] | China (Gansu) | &, 2 tubes | 2017 | Chongqing–Lanzhou railway | |
| Vereina Tunnel | Switzerland (Silvretta) | 1999 | (Chur-) Klosters - Saglians | ||
| Xiaosanxia Tunnel | China (Chongqing) | 2022 | Zhengzhou-Wanzhou HSR | ||
| Xinhua Tunnel | China (Hubei) | 2022 | Zhengzhou-Wanzhou HSR | ||
| Shin Kanmon | Japan (Kanmon Straits) | 1975 | Sanyō Shinkansen | ||
| Vaglia | Italy (Tuscan-Emilian Apennines) | 2009 | Bologna–Florence high-speed railway | ||
| RER A Central Tunnel | France (Ile de France) | 1977 | RER A | ||
| Apennine Base Tunnel | Italy (Apennine Mountains) | 1934 | Bologna - Florence | ||
| Qinling Tunnel | China (Shaanxi) | &, 2 tubes | 2002/2005 | Xi'an–Ankang railway | |
| Zhongtiaoshan Tunnel | China (Shaanxi) | &, 2 tubes | 2019 | Haoji Railway | |
| Dongming Tunnel[21] | China (Zhejiang) | 2022 | Hangzhou–Shaoxing–Taizhou intercity railway | ||
| Shilin Tunnel | China (Yunnan) | 2016 | Nanning–Kunming High-Speed Railway | ||
| South Taihangshan Tunnel | China (Shanxi) | &, 2 tubes[22] | 2014 | Shanxi–Henan–Shandong railway | |
| Xi'anling Tunnel | China (Henan) | &, 2 tubes | 2019 | Haoji Railway | |
| Yinpanshan Tunnel[23] | China (Yunnan-Sichuan) | &, 2 tubes | 2020 | Chengdu–Kunming Railway Double Track | |
| Xuefengshan Tunnel[24] | China (Fujian) | &, 2 tubes | 2013 | Xiangtang–Putian railway | |
| Xiangshan Tunnel | China (Ningxia) | 17.7651NaN1 | 2022 | Yinchuan–Lanzhou high-speed railway | |
| Xiuling Tunnel | China (Yunnan) | 2022 | Dali-Ruili railway | ||
| Gaoganshan Tunnel[25] | China (Fujian) | &, 2 tubes | 2013 | Xiangtang–Putian railway | |
| Jixin Tunnel | China (Sichuan) | 2022 | Chengdu–Kunming Railway Double Track | ||
| Jiufengshan #2 Tunnel | China (Fujian) | 2020 | Quzhou–Ningde railway | ||
| Anding Tunnel | China (Yunnan) | 2021 | Yuxi–Mohan railway | ||
| Wanhe Tunnel | China (Yunnan) | 2021 | Yuxi–Mohan railway | ||
| Dagala Tunnel | China (Xizang) | 2021 | Lhasa–Nyingchi railway | ||
| Pingbu Tunnel | China (Guangdong) | 17.1853NaN3 | 2020 | Guangzhou–Shenzhen intercity railway | |
| Yongshouliang Tunnel[26] [27] | China (Shaanxi) | &, 2 tubes | 2013 | ||
| New Wushaoling Tunnel | China (Gansu) | 2023 | Lanzhou-Zhangye High Speed Railway | ||
| Huangyan Tunnel | China (Hunan) | 2018[28] | Huaihua–Shaoyang–Hengyang railway | ||
| Jiuwandashan #1 Tunnel | China (Guizhou) | [29] | 2023 | Guiyang–Nanning high-speed railway | |
| Liupanshan Tunnel[30] | China (Gansu) | 2015 | Tianshui–Pingliang Railway | ||
| Jiufengshan #1 Tunnel | China (Fujian) | 2019 | Quzhou–Ningde railway | ||
| Hadapu Tunnel | China (Gansu) | &, 2 tubes | 2016 | Chongqing–Lanzhou Railway | |
| Xiangjiang Tunnel | China (Hunan) | 16.61NaN1 | 2017 | Changsha–Zhuzhou–Xiangtan intercity railway | |
| Wushan Tunnel | China (Chongqing) | 2022 | Zhengzhou-Wanzhou HSR | ||
| Sangzhuling Tunnel | China (Xizang) | 2021 | Lhasa–Nyingchi railway | ||
| Liutongzhai Tunnel | China (Sichuan) | 16.3123NaN3 | 2023 | Chengdu–Lanzhou Railway | |
| Rokkô Tunnel | Japan (Mount Rokkō) | 1972 | Sanyō Shinkansen | ||
| Solan Tunnel | South Korea (Taebaek) | 2012 | Yeongdong Line | ||
| Taiyueshan Tunnel[31] | China (Shanxi) | 2014 | Shanxi Central-South railway | ||
| Baoshan Tunnel | China (Yunnan) | 2023 | Dali-Ruili Railway | ||
| Austria | 2012 | Neue Unterinntalbahn | |||
| Tianhuashan Tunnel[32] | China (Shaanxi) | 2017 | Xi'an–Chengdu High-Speed Railway | ||
| Dabanshan Tunnel[33] | China (Qinghai) | 2014 | Lanzhou–Ürümqi High-Speed Railway | ||
| Xiangshan Tunnel | China (Fujian) | &, 2 tubes | 2012 | Longyan–Xiamen Railway | |
| Erqingshan Tunnel[34] | China (Shanxi) | 2014 | Taiyuan-Xingxian Railway | ||
| Xinhua Tunnel | China (Yunnan) | 2021 | Yuxi–Mohan Railway | ||
| Austria | 2012 | Neue Unterinntalbahn | |||
| Heishan Tunnel[35] | China (Gansu) | 2017 | Chongqing–Lanzhou Railway | ||
| Guanshan Tunnel[36] | China (Gansu) | 2015 | Tianshui–Pingliang Railway | ||
| Daiyunshan Tunnel | China (Fujian) | &, 2 tubes | 2013 | Xiangtang–Putian Railway | |
| Jiuwandashan #4 Tunnel | China (Guangxi) | [37] | 2023 | Guiyang–Nanning high-speed railway | |
| Jiyi Tunnel | China (Shaanxi) | 2019 | Haoji Railway | ||
| Furka Base | Switzerland (Urner Alps) | 1982 | Andermatt - Brig | ||
| Ceneri Base Tunnel | Switzerland (Lugano) | 2020[38] | new Gotthard Railway | ||
| Haruna | Japan (Gunma Prefecture) | 1982 | Jōetsu Shinkansen | ||
| Jiulingshan Tunnel | China (Jiangxi) | 2019 | Haoji Railway | ||
| Firenzuola | Italy (Tuscan-Emilian Apennines) | 2009 | Bologna–Florence high-speed railway | ||
| Severomuyskiy | Russia (Severomuysky Range) | 2001 | Baikal Amur Mainline | ||
| Changlong Tunnel | China (Guangdong) | 15.2593NaN3 | 2022 | Foshan-Dongguan Intercity Railway | |
| Ganzhuang Tunnel | China (Yunnan) | 2021 | Yuxi–Mohan Railway | ||
| Gorigamine Tunnel | Japan (Akaishi Mountains) | 1997 | Hokuriku Shinkansen | ||
| Liulangshan Tunnel | China (Shanxi) | 2017 | Zhungeer-Shuozhou Railway | ||
| Laoanshan Tunnel | China (Shaanxi) | 2017 | Xi'an–Chengdu High-Speed Railway | ||
| Xiangluping Tunnel | China (Hubei) | 2022 | Zhengzhou-Wanzhou HSR | ||
| Du'an Tunnel | China (Guangxi) | 2023 | Guiyang–Nanning high-speed railway | ||
| Chicheng Tunnel | China (Hebei) | 2015 | Zhangjiakou–Tangshan railway | ||
| Monte Santomarco | Italy (Sila Mountains) | 1987 | Paola - Cosenza | ||
| Gotthard Rail Tunnel | Switzerland (Lepontine Alps) | 1882 | Gotthardbahn Luzern/Zürich - Lugano - Milano | ||
| Zhujiashan Tunnel | China (Gansu) | 2017 | Baoji–Lanzhou High Speed Railway | ||
| Maotianshan Tunnel | China (Shaanxi) | 2011 | Baotou-Xi'an Railway | ||
| Nakayama | Japan (Nakayama Pass) | 1982 | Jōetsu Shinkansen | ||
| Daqinling Tunnel | China (Shaanxi) | 2017 | Xi'an–Chengdu High-Speed Railway | ||
| Xinping Tunnel | China (Yunnan) | 2021 | Yuxi–Mohan Railway | ||
| Bibanpo Tunnel | China (Yunnan & Guizhou) | 2016 | Shanghai–Kunming High-Speed Railway | ||
| Bijiashan Tunnel | China (Gansu) | 2017 | Baoji–Lanzhou High Speed Railway | ||
| Yulong Snow Mountain Tunnel | China (Yunnan) | 2023 | Lijiang-Shangri-La Railway | ||
| El Sargento #4 | Peru | [39] | 1975 | Tacna-Moquegua | |
| Mount Macdonald Tunnel | Canada (Rogers Pass) | 1989 | Calgary - Revelstoke | ||
| Yanshan Tunnel[40] | China (Guizhou) | 2014 | |||
| Qianshiyan Tunnel | China (Zhejiang) | 2023 | Ningbo-Jinhua Railway | ||
| Dapoling Tunnel | China (Yunnan) | 14.665km (09.112miles) | 2022 | Dali-Ruili Railway | |
| Wuyishan Tunnel[41] | China (Fujian & Jiangxi) | 2013 | Xiangtang–Putian Railway | ||
| North Wuyishan Tunnel | China (Fujian & Jiangxi) | 2015 | Hefei–Fuzhou High-Speed Railway | ||
| Misaka Sasago Tunnel | Japan (Yamanashi) | 1996 | Chuo Shinkansen (Yamanashi Test Track) | ||
| Lötschberg | Switzerland (Bernese Alps) | 1913 | Lötschbergbahn Brig - Thun (- Bern - Basel) | ||
| Romeriksporten | Norway (Østmarka) | 1999 | Gardermobanen | ||
| Sandu Tunnel | China (Guizhou) | 2014 | Guiyang–Guangzhou High-Speed Railway | ||
| Changleshan Tunnel | China (Zhejiang) | 2020 | Quzhou–Ningde railway | ||
| Hongshiyan Tunnel[42] | China (Yunnan) | 2015 | Nanning–Kunming High-Speed Railway | ||
| Baokang Tunnel | China (Hubei) | [43] | 2022 | Zhengzhou-Wanzhou HSR | |
| Fajiushan Tunnel[44] | China (Shanxi) | 2014 | Shanxi Central-South Railway | ||
| Duoji Tunnel | China (Yunnan) | 2021 | Yuxi–Mohan Railway | ||
| Dazhongshan Tunnel | China (Henan) | 2019 | Haoji Railway | ||
| Tianchiping Tunnel | China (Gansu) | 2016 | Chongqing–Lanzhou Railway | ||
| Taiping Tunnel | China (Guangdong) | 2019 | Guangzhou–Shenzhen intercity railway | ||
| Dazhushan Tunnel | China (Yunnan) | 2022 | Dali-Ruili Railway | ||
| Fengshun Tunnel | China (Guangdong) | 2019 | Meizhou–Chaoshan railway | ||
| Dechang Tunnel | China (Sichuan) | 2021 | Chengdu–Kunming Railway Double Track | ||
| Dayaoshan Tunnel | China (Guangdong) | 1987 | Beijing - Guangzhou Railway | ||
| Binxian Tunnel | China (Shaanxi) | 2020 | Yinchuan–Xi'an high-speed railway | ||
| Baekwoon Tunnel | South Korea (Kangwon) | 2021 | Jungang line | ||
| Dajianshan Tunnel | China (Yunnan) | [45] | 2021 | Yuxi–Mohan Railway | |
| Deli Tunnel | China (Shaanxi) | 2017 | Xi'an–Chengdu High-Speed Railway | ||
| Aobaoliang Tunnel | China (Inner Mongolia) | 2017 | Hohhot-Zhungeer-Erdos Railway | ||
| Jinguashan Tunnel[46] | China (Fujian) | 2013 | Xiangtang–Putian Railway | ||
| Liulang Tunnel | China (Yunnan) | 2016 | Nanning–Kunming High-Speed Railway | ||
| Yanmengguan Tunnel[47] | China (Shanxi) | 2014[48] | |||
| Yuezhishan Tunnel | China (Sichuan) | [49] | 2022 | Chengdu–Kunming Railway Double Track | |
| Linbaoshan Tunnel | China (Yunnan) | [50] | 2020 | Dali-Lincang Railway | |
| Shiziyuan Tunnel | China (Sichuan) | [51] | 2023 | Chengdu–Lanzhou Railway | |
| Tianpingshan Tunnel[52] [53] | China (Guangxi) | 2014 | Guiyang–Guangzhou High-Speed Railway | ||
| Tianping Tunnel | China (Guizhou) | 2018 | Chongqing–Guizhou High-Speed Railway | ||
| Maijishan Tunnel | China (Gansu) | 2017 | Baoji–Lanzhou High Speed Railway | ||
| Qingyang Tunnel | China (Gansu) | [54] | 2020 | Yinchuan–Xi'an high-speed railway | |
| Tongmashan Tunnel | China (Guizhou) | 2014 | Guiyang–Guangzhou High-Speed Railway | ||
| Wan'an Tunnel | China (Jiangxi) | 2019 | Nanchang–Ganzhou High-Speed Railway | ||
| Hokuriku | Japan (Mount Kinome) | 1962 | Hokuriku Main Line | ||
| Anming Tunnel | China (Zhejiang) | 2020 | Quzhou–Ningde railway | ||
| Yesanguan Tunnel | China (Hubei) | &, 2 tubes | 2009 | ||
| Pupeng #1 Tunnel | China (Gansu) | 2018 | Guangtong–Dali Railway | ||
| Meihuashan Tunnel | China (Fujian) | 2015[55] | Ganzhou–Longyan Railway | ||
| Daiyunshan 1# Tunnel | China (Fujian) | [56] | 2022 | Xingguo–Quanzhou railway | |
| Baofengshan Tunnel | China (Guangxi) | 2014 | Guiyang–Guangzhou High-Speed Railway | ||
| Funing Tunnel | China (Yunnan) | 2016 | Nanning–Kunming High-Speed Railway | ||
| Humaling Tunnel | China (Gansu) | 2017 | Chongqing–Lanzhou Railway | ||
| North Tianshan Tunnel | China (Xinjiang) | 2009 | Jinghe-Yining-Khorgos Railway | ||
| Marmaray | Turkey (Istanbul) | 2013 | Marmaray | ||
| Gongduding Tunnel | China (Xizang) | [57] | 2021 | Lhasa–Nyingchi railway | |
| Laobishan Tunnel | China (Sichuan) | [58] | 2022 | Chengdu–Kunming Railway Double Track | |
| Mengyang Tunnel | China (Yunnan) | 2021 | Yuxi–Mohan Railway | ||
| Wanggangshan Tunnel | China (Yunnan) | [59] | 2021 | Yuxi–Mohan Railway | |
| Fréjus | Italy/France (Mont Cenis) | 1871 | Lyon - Turin | ||
| Shin-Shimizu Tunnel | Japan (Mount Tanigawa) | 1967 | Jōetsu Line | ||
| Hex River | South Africa (Hex River Pass) | 1989 | Pretoria - Cape Town | ||
| Savio Rail Tunnel | Finland (Uusimaa) | 2008 | Kerava - Vuosaari | ||
| Fengjie Tunnel | China (Chongqing) | 2022 | Zhengzhou-Wanzhou HSR | ||
| Wanshoushan Tunnel[60] [61] | China (Chongqing) | 2013 | |||
| Xiao'an Tunnel | China (Sichuan) | 2017 | Xi'an–Chengdu High-Speed Railway | ||
| Jueshan Tunnel | China (Shanxi) | 2020 | Taiyuan-Jiaozuo Intercity Railway | ||
| Jiaozishan Tunnel | China (Yunnan) | 2019 | Chengdu–Kunming Railway Double Track | ||
| Daliangshan Tunnel | China (Shanxi & Hebei) | 2019 | Datong-Zhangjiakou High-Speed Railway | ||
| Shanyang Tunnel | China (Yunnan) | 2022 | Dali-Ruili Railway | ||
| Tuoan Tunnel | China (Yunnan) | 2019 | Chengdu–Kunming Railway Double Track | ||
| Baiyunshan Tunnel | China (Sichuan) | 13.341NaN1 | 2023 | Chengdu-Zigong High-Speed Railway | |
| Baoanyin #1 Tunnel | China (Sichuan) | [62] | 2020 | Chengdu–Kunming Railway Double Track | |
| Wonhyo Tunnel | South Korea (Ulsan) | 2010 | Gyeongbu High Speed Railway | ||
| Changhongling Tunnel | China (Chongqing) | 2013 | Chongqing-Lichuan Railway | ||
| Italy (South Tyrol) | 1993 | Brenner Railway | |||
| Dabieshan Tunnel | China (Hubei) | 2008 | |||
| Badong Tunnel | China (Hubei) | [63] | 2022 | Zhengzhou-Wanzhou HSR | |
| Liaoxi Tunnel | China (Liaoning) | 2018 | Beijing–Shenyang High-Speed Railway | ||
| Aerjin Tunnel | China (Xinjiang) | 2020 | Golmud-Korla Railway | ||
| Xiuning Tunnel | China (Yunnan) | 2013 | Chengdu–Kunming Railway Double Track | ||
| Gangwu Tunnel | China (Guizhou) | 2016 | Shanghai–Kunming High-Speed Railway | ||
| Songyang Tunnel | China (Zhejiang) | 2020 | Quzhou–Ningde railway | ||
| Dongjiang Tunnel | China (Guangdong) | 2016 | Guanzhou-Huizhou Intercity Railway | ||
| Furenshan Tunnel | China (Shaanxi) | 2017 | Xi'an–Chengdu High-Speed Railway | ||
| Caponero-Capoverde | Italy | 2001 | Genova-Ventimiglia | ||
| Xiapu Tunnel | China (Fujian) | 2009 | Wenzhou-Fuzhou Railway | ||
| Bayu Tunnel | China (Xizang) | [64] | 2021 | Lhasa–Nyingchi railway | |
| Mengla Tunnel | China (Yunnan) | [65] | 2021 | Yuxi–Mohan Railway | |
| Aki | Japan | 1975 | Sanyo Shinkansen |
| Name | Location | Length | Expected completion | Line | |
|---|---|---|---|---|---|
| Mont d'Ambin Base Tunnel[66] | France/Italy (Cottian Alps) | 57.51NaN1 | 2032[67] | Lyon Turin Ferroviaire | |
| Brenner Base Tunnel | Austria/Italy (Stubai Alps) | 2032[68] | Brenner Railway | ||
| [69] [70] | China (Tibet) | 2030 | Sichuan-Tibet railway | ||
| Shanghai Airport Tunnel | China (Shanghai) | 40.188 km (25.0 mi) | 2025 | Shanghai Airports Connection Rail Line | |
| China (Tibet) | 2030 | Sichuan-Tibet railway | |||
| Metropolitan Area Tunnel No. 1[71] | Japan (Tokyo) | 2027 | Chūō Shinkansen | ||
| Pearl River Tunnel[72] | China (Guangdong) | 2023 | Guangzhou–Foshan circular intercity railway | ||
| Gaoligongshan Tunnel | China (Yunnan) | 2025[73] | Dali-Ruili Railway | ||
| Duomuge Tunnel | China (Tibet) | 2030 | Sichuan-Tibet railway | ||
| Chukyo Area Tunnel No.1 | Japan (Aichi) | 2027 | Chūō Shinkansen | ||
| Deda Tunnel | China (Sichuan) | 33.350 km (20.7 mi) | 2030 | Sichuan-Tibet railway | |
| Haizishan Tunnel | China (Sichuan) | 33.020 km (20.5 mi) | 2030 | Sichuan-Tibet railway | |
| Koralm Tunnel | Austria (Koralpe) | 2026 | Koralm Railway | ||
| Oshima Tunnel | Japan (Hokkaido) | 32.6751NaN1 | 2031 | Hokkaidō Shinkansen | |
| Layue Tunnel | China (Tibet) | 31.675 km (19.7 mi) | 2030 | Sichuan-Tibet railway | |
| Mangkangshan Tunnel | China (Tibet) | 30.675 km (19.1 mi) | 2030 | Sichuan-Tibet railway | |
| Zilashan Tunnel | China (Tibet) | 30.010 km (18.6 mi) | 2030 | Sichuan-Tibet railway | |
| Shenwan Tunnel | China (Guangdong) | 2028 | Shenzhen-Zhanjiang high-speed railway | ||
| Boshulaling Tunnel | China (Tibet) | 29.068 km (18.1 mi) | 2030 | Sichuan-Tibet railway | |
| Milashan Tunnel | China (Sichuan) | 29.030 km (18.0 mi) | 2030 | Sichuan-Tibet railway | |
| Yelashan Tunnel | China (Tibet) | 28.639 km (17.8 mi) | 2030 | Sichuan-Tibet railway | |
| Pingshandong Tunnel | China (Guangdong) | 27.885 km (17.327 mi) | 2025 | Shenzhen-Shanwei HSR | |
| Italy (Liguria, Piedmont) | 2026[74] | Tortona–Genoa high-speed railway | |||
| Semmering Base Tunnel | Austria (Raxalpe) | 2030[75] | Southern Railway | ||
| Hirpinia Tunnel[76] | Italy (Campania) | 27 km (16.78 mi) | 2027 | Naples–Foggia railway | |
| Baolingshan Tunnel | China (Sichuan) | 26.547 km (16.5 mi) | 2030 | Sichuan-Tibet railway | |
| Sasson Tunnel | Japan (Hokkaido) | 26.231NaN1 | 2031 | Hokkaidō Shinkansen | |
| Gongjue Tunnel | China (Tibet) | 26.175 km (16.3 mi) | 2030 | Sichuan-Tibet railway | |
| Minshan Tunnel | China (Sichuan) | 2023 | Chengdu–Lanzhou Railway | ||
| Southern Alps Tunnel | Japan (Nagano) | 2027 | Chūō Shinkansen | ||
| Yiliang Tunnel | China (Yunnan) | 24.8323NaN3 & 24.7843NaN3 | 2027 | Chongqing-Kunming High Speed Railway | |
| Duoji Tunnel | China (Tibet) | 24.1881NaN1 | 2030 | Sichuan-Tibet railway | |
| Qiazilashan Tunnel | China (Sichuan) | 23.981NaN1 | 2030 | Sichuan-Tibet railway | |
| Central Alps Tunnel | Japan (Nagano) | 2027 | Chūō Shinkansen | ||
| Bangda Tunnel | China (Tibet) | 22.9851NaN1 | 2030 | Sichuan-Tibet railway | |
| Qinling Mabaishan Tunnel | China (Shaanxi) | 22.9221NaN1 | 2026 | Xi'an–Shiyan HSR | |
| Ganqing Tunnel | China (Gansu, Qinghai) | 2028 | Chengdu–Lanzhou Railway | ||
| Qianhuang Tunnel | China (Guangdong) | 22.2181NaN1 | 2026 | Guangzhou-Shenzhen Intercity Railway | |
| Xigu Tunnel | China (Gansu) | 22.0551NaN1 | 2027 | Lanzhou-Hezuo Railway | |
| Haidong Nanshan Tunnel | China (Qinghai) | 21.5951NaN1 | 2028 | Xining-Chengdu Railway | |
| Kangyu Tunnel | China (Tibet) | 21.341NaN1 | 2030 | Sichuan-Tibet railway | |
| Zhazong Tunnel | China (Tibet) | 21.2351NaN1 | 2030 | Sichuan-Tibet railway | |
| Binghui Tunnel | China (Yunnan) | 21.171NaN1 | 2026 | Chongqing-Kunming High Speed Railway | |
| Thane Creek Tunnel[77] | India (Mumbai) | 21.151NaN1[78] | 2028[79] | Mumbai–Ahmedabad High Speed Railway | |
| Kangding No2 Tunnel | China (Sichuan) | 20.7931NaN1 | 2030 | Sichuan-Tibet railway | |
| Honglashan Tunnel | China (Tibet) | 20.221NaN1 | 2030 | Sichuan-Tibet railway | |
| Anhua Tunnel | China (Gansu) | 19.981NaN1 | 2027 | Tianshui-Longnan Railway | |
| Alia Tunnel[80] | Italy (Sicily) | 19.91NaN1[81] | 2030[82] | Palermo-Catania Railway | |
| New Maijishan Tunnel | China (Gansu) | 19.8181NaN1 | 2027 | Tianshui-Longnan Railway | |
| Shin Hokuriku Tunnel | Japan (Fukui) | 19.761NaN1 | 2024 | Hokuriku Shinkansen | |
| Tanglangshan Tunnel | China (Guangdong) | 19.19km (11.92miles) | 2025 | Shenzhen-Shanwei HSR | |
| Xiamen Bay Under-sea Tunnel | China (Fujian) | 18.95km (11.77miles) | 2027 | Xiamen-Zhangzhou Intercity Railway | |
| Qingling Taixing Tunnel | China (Shaanxi) | 18.84km (11.71miles) | 2026 | Xi'an-Ankang HSR | |
| Gaoersishan Tunnel | China (Sichuan) | 18.84km (11.71miles) | 2030 | Sichuan-Tibet railway | |
| Langlashan Tunnel | China (Tibet) | 18.84km (11.71miles) | 2030 | Sichuan-Tibet railway | |
| Longgang Tunnel | China (Guangdong) | 18.323km (11.385miles) | 2025 | Shenzhen-Shanwei HSR | |
| Geinieshan Tunnel | China (Sichuan) | 18.175km (11.293miles) | 2030 | Sichuan-Tibet railway | |
| Yingjinshan No1 Tunnel | China (Sichuan) | 18.141km (11.272miles) | 2030 | Sichuan-Tibet railway | |
| Xiling Tunnel | China (Shaanxi) | 18.091NaN1 | 2026 | Xi'an–Shiyan HSR | |
| Shiribeshi Tunnel | Japan (Hokkaido) | 17.9751NaN1 | 2031 | Hokkaido Shinkansen | |
| Changdu Tunnel | China (Tibet) | 17.801km (11.061miles) | 2030 | Sichuan-Tibet railway | |
| Moxi Tunnel | China (Sichuan) | 17.763km (11.037miles) | 2030 | Sichuan-Tibet railway | |
| Yijun Tunnel | China (Shaanxi) | 17.5091NaN1 | 2025 | Xi'an-Yan'an HSR | |
| Kangding Tunnel | China (Sichuan) | 17.3km (10.7miles) | 2030 | Sichuan-Tibet railway | |
| Shangli Tunnel | China (Guangxi) | 17.271km (10.732miles) | 2028 | Huangtong-Baise railway | |
| Pazhou Tunnel | China (Guangdong) | 17.2041NaN1 | 2023 | Guangzhou-Dongguan-Shenzhen Intercity Railway Pazhou Branch | |
| Fehmarn Belt tunnel | Germany/Denmark (Fehmarn Belt) | 17.143 km (10.6 mi) | 2029 | Copenhagen–Hamburg | |
| Tateiwa Tunnel | Japan (Hokkaido) | 16.981NaN1 | 2031 | Hokkaido Shinkansen | |
| Xingshandong Tunnel | China (Hubei) | 16.8831NaN1 | 2025 | ||
| Baoyun Tunnel | China (Yunnan) | 2026 | Chongqing-Kunming High Speed Railway | ||
| Huashansong Tunnel | China (Yunnan) | 2026 | Chongqing-Kunming High Speed Railway | ||
| Fuxian Tunnel | China (Shaanxi) | 16.2931NaN1 | 2025 | Xi'an-Yan'an HSR | |
| Xujiaping Tunnel | China (Gansu) | 16.273NaN3 | 2027 | Tianshui-Longnan Railway | |
| Zhaotong Tunnel | China (Yunnan) | 2026 | Chongqing-Kunming High Speed Railway | ||
| Jintang Tunnel | China (Zhejiang) | 16.183NaN3 | 2026 | Zhoushan-Ningbo Railway | |
| Dongdashan Tunnel | China (Tibet) | 16.045km (09.97miles) | 2030 | Sichuan-Tibet railway | |
| Chiltern tunnel[83] | United Kingdom | 16.04 km (9.97 mi) | 2029[84] | High Speed 2 | |
| New Yan'an Tunnel | China (Shaanxi) | 2025 | Xi'an-Yan'an HSR | ||
| New Santomarco Tunnel[85] | Italy (Calabria) | 15.8 km (9.8 mi) | 2026 | Paola - Cosenza railway | |
| Uchiura Tunnel | Japan (Hokkaido) | 15.561NaN1 | 2031 | Hokkaido Shinkansen | |
| Suzhou East Tunnel | China (Jiangsu) | 15.5653NaN3 | 2027 | Nantong-Ningbo high-speed railway | |
| Ludian Tunnel | China (Yunnan) | 15.5041NaN1 | 2026 | Chongqing-Kunming High Speed Railway | |
| Shenwan Tunnel | China (Guangdong) | 15.4693NaN3 | 2025 | Shenzhen-Zhanjiang High-Speed Railway | |
| Scaleres Tunnel[86] | Italy (Trentino-Alto Adige) | 15.4 km (9.56 mi) | 2027 | Brenner railway | |
| Jifengshan Tunnel | China (Gansu) | 15.3853NaN3 | 2027 | Tianshui-Longnan Railway | |
| Ina Mountains Tunnel | Japan (Nagano) | 2027 | Chūō Shinkansen | ||
| Devprayag Rail Tunnel[87] | India (Uttarakhand) | 2025 | Rishikesh–Karnaprayag Railway | ||
| Fengshuling Tunnel | China (Zhejiang) | 15.185km (09.436miles) | 2026 | Quzhou-Lishui Railway | |
| Huangzhuguan Tunnel | China (Gansu) | 15.1643NaN3 | 2027 | Tianshui-Longnan Railway | |
| Guifengshan Tunnel | China (Guangdong) | 15.1551NaN1 | 2026 | Zhuhai-Zhaoqing HSR | |
| Liulin Tunnel | China (Gansu) | 15.1523NaN3 | 2027 | Tianshui-Longnan Railway | |
| Pingluo Tunnel | China (Gansu) | 15.0323NaN3 | 2027 | Tianshui-Longnan Railway | |
| Daxing'anling Tunnel | China (Inner Mongolia) | 14.973NaN3 | 2027 | Harbin-Manzhouli Railway | |
| Qunke Tunnel | China (Gansu) | 14.9551NaN1 | 2028 | Chengdu–Lanzhou Railway | |
| Duomuge Tunnel | China (Tibet) | 14.884km (09.248miles) | 2030 | Sichuan-Tibet railway | |
| Tiefengshan Tunnel | China (Chongqing) | 14.7833NaN3 | 2028 | Chongqing-Xi'an HSR | |
| Hengshan Tunnel | China (Shanxi) | [88] | 2025 | Jining–Datong–Yuanping HSR | |
| Tianzhushan No1 Tunnel | China (Shaanxi) | 14.7423NaN3 | 2026 | Xi'an–Shiyan HSR | |
| Erlangshan Tunnel | China (Sichuan) | 14.732km (09.154miles) | 2030 | Sichuan-Tibet railway | |
| Dabieshan Tunnel | China (Anhui - Hubei) | 14.698km (09.133miles) | 2028 | Shanghai-Chongqing-Chengdu High Speed Railway | |
| Kaole Tunnel | China (Gansu) | 14.6593NaN3 | 2027 | Lanzhou-Hezuo Railway | |
| Tongbaiyuan No1 Tunnel | China (Shaanxi) | 14.6161NaN1 | 2028 | Yan'an-Yulin-Ordos High Speed Railway | |
| Hiyoshi Tunnel | Japan (Gifu) | 2027 | Chūō Shinkansen | ||
| Linjiashan Tunnel | China (Shaanxi) | 14.533NaN3 | 2026 | Xi'an-Ankang HSR | |
| Yujialiang Tunnel | Shaanxi | 14.5043NaN3 | 2028 | Chongqing-Xi'an High Speed Railway | |
| Nanjing South Station Tunnel | China (Jiangsu) | 14.4423NaN3 | 2026 | Nanjing-Wuhu Railway | |
| Chongming-Taicang Yangtse River Tunnel | China (Jiangsu-Shanghai) | 14.253NaN3 | 2028 | Shanghai–Nanjing–Hefei high-speed railway | |
| Xierluo Tunnel | China (Sichuan) | 14.241NaN1 | 2030 | Sichuan-Tibet railway | |
| East Dabashan Tunnel | China (Shaanxi - Chongqing) | 2028 | Chongqing-Xi'an High Speed Railway | ||
| Jinggangshan Tunnel | China (Jiangxi) | 14.113NaN3 | 2028 | Chongqing-Xiamen High Speed Railway | |
| Wutaishan Tunnel | China (Shanxi) | 14.0863NaN3 | 2027 | Xiong'an-Xinzhou High speed railway | |
| Lulang Tunnel | China (Tibet) | 14.052km (08.732miles) | 2030 | Sichuan-Tibet railway | |
| Patalpani Rail Tunnel | India (Madhya Pradesh) | 2025 | Dr. Ambedkar Nagar (Mhow) - Omkareshwar Road | ||
| Shangyuanmen Tunnel | China (Jiangsu) | 13.973NaN3 | 2029 | Nanjing-Huai'an high speed railway | |
| Niyu Tunnel | China (Tibet) | 13.895km (08.634miles) | 2030 | Sichuan-Tibet railway | |
| Changgangling Tunnel | China (Hubei) | 13.7511NaN1 | 2025 | Yichang–Xingshan HSR | |
| Zhujiangkou Tunnel | China (Guangdong) | [89] | 2025 | Shenzhen–Zhanjiang high-speed railway | |
| Qixinping Tunnel | China (Sichuan) | 13.6693NaN3 | 2028 | Chongqing-Xi'an High Speed Railway | |
| Taikang Tunnel | China (Shaanxi) | 13.5953NaN3 | 2025 | Xi'an-Yan'an HSR | |
| Northolt Tunnel[90] | United Kingdom | 13.5 km (8.4 mi) | 2029[91] | High Speed 2 | |
| Dangshun Tunnel | China (Qinghai) | 2028 | Xining–Chengdu high-speed railway | ||
| Dayi Tunnel | China (Guizhou) | 2028 | Huangtong-Baise railway | ||
| Henggang Tunnel | China (Guangdong) | 13.453NaN3 | 2027 | Pinghu'nan-Yantiangang railway | |
| Baimashan Tunnel | China (Chongqing) | 2025 | Chongqing-Changsha High Speed Railway | ||
| Trinacria Tunnel[92] | Italy (Sicily) | 13.4 km (8.3 mi) | 2030 | Palermo-Catania Railway | |
| Pamuling Tunnel | China (Sichuan) | 13.341NaN1 | 2030 | Sichuan-Tibet railway | |
| Tuole Tunnel | China (Guizhou) | 2025 | Panzhou-Xingyi HSR | ||
| Xin'an Tunnel | China (Shaanxi) | 2028 | Baoji-Zhongwei railway | ||
| Changlinggang Tunnel | China (Chongqing) | 13.2951NaN1 | 2026 | Chongqing-Wanzhou HSR | |
| Qinling Jiutianshan Tunnel | China (Shaanxi) | 13.2931NaN1 | 2026 | Chongqing-Xi'an HSR | |
| Wankai Tunnel | China (Chongqing) | 2027 | Chengdu-Wanzhou high speed railway | ||
| Xilang Tunnel | China (Guangdong) | 2027 | Guangzhou Railway Hub connection line | ||
| Huajiashang Tunnel | China (Shaanxi) | 13.1531NaN1 | 2026 | Chongqing-Xi'an HSR | |
| Yuanling Tunnel | China (Hubei) | 13.111NaN1 | 2026 | Xi'an–Shiyan HSR | |
| Angsiduo Tunnel | China (Qinghai) | 13.1051NaN1 | 2028 | Xining-Chengdu Railway | |
| Pingla Tunnel | China (Guangxi) | 13.086km (08.131miles) | 2028 | Huangtong-Baise railway |