Flight Leonardo da Vinci–Fiumicino Airport departs from Rome Leonardo da Vinci–Fiumicino Airport at 10:20 and arrives at Washington Dulles International Airport at 14:10.
The flighttime is about 9h 50m. The distance travelled ("as the bird flies"): 9976 Km. So the average speed is roughly 1015 Km.
There is an 6 hour time difference between Rome and Washington
