Air distance from Saint-Denis, Reunion (French) to Asmara, Eritrea is 2715.4 Miles (4370 Kilometers / 2358 Nautical Miles).
5 hrs, 38 mins is the flight duration between Saint-Denis and Asmara. 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.