Flight Athens International Airport Eleftherios Venizelos departs from Athens Athens International Airport Eleftherios Venizelos at 16:20 and arrives at Singapore Changi Airport at 08:20.
The flighttime is about 11h 00m. The distance travelled ("as the bird flies"): 8617 Km. So the average speed is roughly 783 Km.
There is an 5 hour time difference between Athens and Singapore