Air distance from Tucuman, Argentina to Vientiane, Laos is 11427 Miles (18389.9 Kilometers / 9923.2 Nautical Miles).
23 hrs, 43 mins is the flight duration between Tucuman and Vientiane. 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.