Air distance from Tucson, USA to Vientiane, Laos is 8369.4 Miles (13469.3 Kilometers / 7268 Nautical Miles).
17 hrs, 22 mins is the flight duration between Tucson 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.