Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 23:55 and arrives at Kabul Kabul International Airport at 06:25.
The flighttime is about 8h 30m. The distance travelled ("as the bird flies"): 4511 Km. So the average speed is roughly 531 Km.
There is an 2 hour time difference between Istanbul and Kabul