Air distance from Kathmandu, Nepal to Windhoek, Namibia is 5698.9 Miles (9171.4 Kilometers / 4948.9 Nautical Miles).
11 hrs, 50 mins is the flight duration between Kathmandu and Windhoek. 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.