Air distance from Saint-Denis, Reunion (French) to Roseau, Dominica is 8267.8 Miles (13305.7 Kilometers / 7179.7 Nautical Miles).
Flight duration time from Saint-Denis to Roseau is 17 hrs, 10 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.