Air distance from Kathmandu, Nepal to Quito, Ecuador is 10256.4 Miles (16506 Kilometers / 8906.6 Nautical Miles).
21 hrs, 17 mins is the flight duration between Kathmandu and Quito. 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.