Air distance from Kathmandu, Nepal to Yerevan, Armenia is 2480.7 Miles (3992.2 Kilometers / 2154.2 Nautical Miles).
5 hrs, 9 mins is the flight duration between Kathmandu and Yerevan. 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.