Flight Tan Son Nhat International Airport departs from Ho Chi Minh City Tan Son Nhat International Airport at 22:40 and arrives at Sydney Sydney Airport at 10:15.
The flighttime is about 8h 35m. The distance travelled ("as the bird flies"): 5581 Km. So the average speed is roughly 650 Km.
There is an 3 hour time difference between Ho Chi Minh City and Sydney
THB
