Flight Noi Bai International Airport departs from Hanoi Noi Bai International Airport at 22:30 and arrives at Istanbul Istanbul Atatürk Airport at 05:30.
The flighttime is about 11h 00m. The distance travelled ("as the bird flies"): 8469 Km. So the average speed is roughly 770 Km.
There is an 4 hour time difference between Hanoi and Istanbul