Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 21:00 and arrives at Sydney Sydney Airport at 09:25.
The flighttime is about 9h 25m. The distance travelled ("as the bird flies"): 5666 Km. So the average speed is roughly 602 Km.
There is an 3 hour time difference between Guangzhou and Sydney
