Flight Düsseldorf Airport departs from Dusseldorf Düsseldorf Airport at 12:50 and arrives at Athens Athens International Airport Eleftherios Venizelos at 16:50.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 2383 Km. So the average speed is roughly 794 Km.
There is an 1 hour time difference between Dusseldorf and Athens