Air distance from Saint-Denis, Reunion (French) to Bangkok, Thailand is 3854.6 Miles (6203.4 Kilometers / 3347.4 Nautical Miles).
Flight duration time from Saint-Denis to Bangkok is 8 hrs, 0 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.