Air distance from Saint-Denis, Reunion (French) to Sofia, Bulgaria is 4805.1 Miles (7733 Kilometers / 4172.7 Nautical Miles).
9 hrs, 58 mins is the flight duration between Saint-Denis and Sofia. 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.