Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 22:15 and arrives at Ashgabat Ashgabat International Airport at 03:55.
The flighttime is about 8h 40m. The distance travelled ("as the bird flies"): 3293 Km. So the average speed is roughly 380 Km.
There is an 3 hour time difference between Istanbul and Ashgabat