Flight Leonardo da Vinci–Fiumicino Airport departs from Rome Leonardo da Vinci–Fiumicino Airport at 13:05 and arrives at Montreal Pierre Elliott Trudeau International Airport at 16:05.
The flighttime is about 9h 00m. The distance travelled ("as the bird flies"): 9565 Km. So the average speed is roughly 1063 Km.
There is an 6 hour time difference between Rome and Montreal