Air distance from Saint-Denis, Reunion (French) to Lisbon, Portugal is 5821.9 Miles (9369.5 Kilometers / 5055.8 Nautical Miles).
12 hrs, 5 mins is the flight duration between Saint-Denis and Lisbon. 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.