Air distance from Ottawa Canada to Kathmandu Nepal is 7269 Miles (11698.3 Kilometers / 6312.4 Nautical Miles).
Flight duration time from Ottawa Canada to Kathmandu Nepal is 15 hrs, 5 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.