Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 21:25 and arrives at Brisbane Brisbane Airport at 08:25.
The flighttime is about 9h 00m. The distance travelled ("as the bird flies"): 5596 Km. So the average speed is roughly 622 Km.
There is an 2 hour time difference between Guangzhou and Brisbane