Air distance from Kathmandu, Nepal to Canberra, Australia is 6004.3 Miles (9663 Kilometers / 5214.2 Nautical Miles).
Flight duration time from Kathmandu to Canberra is 12 hrs, 28 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.