Air distance from Kathmandu, Nepal to Oslo, Norway is 4074.7 Miles (6557.5 Kilometers / 3538.4 Nautical Miles).
8 hrs, 27 mins is the flight duration between Kathmandu and Oslo. 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.