Air distance from Saint-Denis, Reunion (French) to Oslo, Norway is 6081.6 Miles (9787.3 Kilometers / 5281.2 Nautical Miles).
12 hrs, 37 mins is the flight duration between Saint-Denis and Oslo. 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.