Air distance from Pretoria, South Africa to Nukualofa, Tonga is 8864.3 Miles (14265.7 Kilometers / 7697.8 Nautical Miles).
18 hrs, 24 mins is the flight duration between Pretoria and Nukualofa. 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.