Air distance from Kathmandu, Nepal to Sao Paulo, Brazil is 9417.7 Miles (15156.4 Kilometers / 8178.4 Nautical Miles).
Flight duration time from Kathmandu to Sao Paulo is 19 hrs, 33 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.