Flight Humberto Delgado Airport departs from Lisbon Humberto Delgado Airport at 08:20 and arrives at Dusseldorf Düsseldorf Airport at 12:20.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 2247 Km. So the average speed is roughly 749 Km.
There is an 1 hour time difference between Lisbon and Dusseldorf