| Country: | RUS |
| Type: | A |
| Route: | 331 |
| Length Km: | 1166 |
| Direction A: | West |
| Terminus A: | Mirny |
| Direction B: | East |
| Terminus B: | Yakutsk |
| Previous Type: | A |
| Previous Route: | 322 |
| Next Type: | A |
| Next Route: | 333 |
The A331 Highway, also known as the Vilyuy Highway, is a highway in Russia connecting Yakutsk to Mirny, the highway is 1,166 km (724 mi), the first half of the highway from Yakutsk to Vilyuysk is paved with a few short unpaved sections in between.The next half of the highway(Vilyuysk to Mirny) is not paved.[1]
| Sergelyakhskoyle Shosse | 0 | 0 | |
| Berdigestyakh | 109 | 177 | |
| Vilyuysk | 353 | 569 | |
| Verkhnevilyuysk | 403 | 650 | |
| Zharkhan | 464 | 748 | |
| Suntar | 590 | 950 | |
| 98K-015 | 715 | 1151 | |
| Mirny | 724 | 1166 |