Air distance from Kigali, Rwanda to Kathmandu, Nepal is 4170.5 Miles (6711.7 Kilometers / 3621.6 Nautical Miles).
8 hrs, 39 mins is the flight duration between Kigali and Kathmandu. 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.