Air distance from Anaheim, USA to Vientiane, Laos is 8035.9 Miles (12932.5 Kilometers / 6978.4 Nautical Miles).
Flight duration time from Anaheim to Vientiane is 16 hrs, 41 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.