Air distance from Vientiane Laos to Hanoi Vietnam is 313.6 Miles (504.7 Kilometers / 272.3 Nautical Miles).
Flight duration time from Vientiane Laos to Hanoi Vietnam is 46 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.