Air distance from Orlando, USA to Changsha, China is 8430.8 Miles (13568.1 Kilometers / 7321.3 Nautical Miles).
Flight duration time from Orlando to Changsha is 17 hrs, 30 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.