Air distance from Singapore, Singapore to Alofi, Niue is 6045.3 Miles (9729 Kilometers / 5249.8 Nautical Miles).
12 hrs, 33 mins is the flight duration between Singapore and Alofi. 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.