Air distance from Orlando, USA to Sian, China is 8072.5 Miles (12991.5 Kilometers / 7010.2 Nautical Miles).
Flight duration time from Orlando to Sian is 16 hrs, 45 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.