Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 19:30 and arrives at Doha International Airport at 22:50.
The flighttime is about 8h 20m. The distance travelled ("as the bird flies"): 6864 Km. So the average speed is roughly 824 Km.
There is an 5 hour time difference between Guangzhou and Doha
