Air distance from Saint-Denis, Reunion (French) to Alofi, Niue is 8354.3 Miles (13444.9 Kilometers / 7254.9 Nautical Miles).
Flight duration time from Saint-Denis to Alofi is 17 hrs, 20 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.