Air distance from Saint-Denis, Reunion (French) to Astana, Kazakhstan is 5042.9 Miles (8115.8 Kilometers / 4379.2 Nautical Miles).
Flight duration time from Saint-Denis to Astana is 10 hrs, 28 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.