Air distance from Pretoria, South Africa to Hanoi, Vietnam is 6099.8 Miles (9816.7 Kilometers / 5297.1 Nautical Miles).
12 hrs, 39 mins is the flight duration between Pretoria and Hanoi. 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.