Air distance from Vientiane Laos to Kiev Ukraine is 4502 Miles (7245.2 Kilometers / 3909.5 Nautical Miles).
Flight duration time from Vientiane Laos to Kiev Ukraine is 9 hrs, 20 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.