Air distance from Saint-Denis, Reunion (French) to Niamey, Niger is 4301.6 Miles (6922.7 Kilometers / 3735.5 Nautical Miles).
8 hrs, 55 mins is the flight duration between Saint-Denis and Niamey. 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.