Air distance from Tbilisi, Georgia to Vientiane, Laos is 3769.9 Miles (6067 Kilometers / 3273.8 Nautical Miles).
Flight duration time from Tbilisi to Vientiane is 7 hrs, 49 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.