Air distance from Kathmandu, Nepal to Tallinn, Estonia is 3583.1 Miles (5766.4 Kilometers / 3111.5 Nautical Miles).
7 hrs, 26 mins is the flight duration between Kathmandu and Tallinn. 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.