| Country: | DJI |
| Type: | N |
| Route: | 4 |
| Length Km: | 7 |
| Terminus A: | Junction with National Highway 1 |
| Terminus B: | Arta |
The RN-4 National Highway is the shortest national highway of Djibouti. The highway begins at 11.5178°N 42.8847°W, at a junction with National Highway 1 and connects it with Arta at 11.525°N 42.8433°W.