Flight Cam Ranh International Airport departs from Nha Trang Cam Ranh International Airport at 22:00 and arrives at Kunming Wujiaba International Airport at 01:45.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 818 Km. So the average speed is roughly 297 Km.
There is an 1 hour time difference between Nha Trang and Kunming