Air distance from Kathmandu, Nepal to Alofi, Niue is 7723.4 Miles (12429.6 Kilometers / 6707 Nautical Miles).
16 hrs, 2 mins is the flight duration between Kathmandu and Alofi. 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.