Air distance from Kathmandu, Nepal to Stockton, USA is 7631.3 Miles (12281.5 Kilometers / 6627.1 Nautical Miles).
Flight duration time from Kathmandu to Stockton is 15 hrs, 50 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.