Air distance from Kathmandu, Nepal to Valletta, Malta is 4126 Miles (6640.2 Kilometers / 3583 Nautical Miles).
8 hrs, 34 mins is the flight duration between Kathmandu and Valletta. 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.