Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 22:40 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 11:50.
The flighttime is about 8h 10m. The distance travelled ("as the bird flies"): 6036 Km. So the average speed is roughly 739 Km.
There is an 5 hour time difference between Riyadh and Kuala Lumpur