Air distance from Kathmandu, Nepal to New Delhi, India is 496.4 Miles (798.9 Kilometers / 431.1 Nautical Miles).
Flight duration time from Kathmandu to New Delhi is 1 hrs, 13 mins. 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.