Air distance from Saint-Denis, Reunion (French) to Apia, Samoa is 8488.5 Miles (13660.9 Kilometers / 7371.4 Nautical Miles).
Flight duration time from Saint-Denis to Apia is 17 hrs, 37 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.