Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 00:05 and arrives at Sydney Sydney Airport at 11:25.
The flighttime is about 8h 20m. The distance travelled ("as the bird flies"): 5790 Km. So the average speed is roughly 695 Km.
There is an 3 hour time difference between Kuala Lumpur and Sydney