Air distance from San Marino, San Marino to Vientiane, Laos is 5393 Miles (8679.2 Kilometers / 4683.3 Nautical Miles).
Flight duration time from San Marino to Vientiane is 11 hrs, 11 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.