Flight Leonardo da Vinci–Fiumicino Airport departs from Rome Leonardo da Vinci–Fiumicino Airport at 22:50 and arrives at Addis Ababa Bole International Airport at 06:30.
The flighttime is about 6h 40m. The distance travelled ("as the bird flies"): 4379 Km. So the average speed is roughly 657 Km.
There is an 1 hour time difference between Rome and Addis Ababa