Air distance from Kathmandu, Nepal to Markham, Canada is 7435.2 Miles (11965.8 Kilometers / 6456.7 Nautical Miles).
Flight duration time from Kathmandu to Markham is 15 hrs, 26 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.