Air distance from Kathmandu, Nepal to Nouakchott, Mauritania is 6276.1 Miles (10100.4 Kilometers / 5450.2 Nautical Miles).
Flight duration time from Kathmandu to Nouakchott is 13 hrs, 1 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.