Flight International Airport departs from Doha International Airport at 02:00 and arrives at Phnom Penh Phnom Penh International Airport at 16:15.The flight has a short stop at Ho Chi Minh City.
The flighttime is about 10h 15m. The distance travelled ("as the bird flies"): 5888 Km. So the average speed is roughly 574 Km.
There is an 4 hour time difference between Doha and Phnom Penh