Flight Leonardo da Vinci–Fiumicino Airport departs from Rome Leonardo da Vinci–Fiumicino Airport at 09:05 and arrives at Tunis Carthage International Airport at 10:25.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 585 Km. So the average speed is roughly 251 Km.
There is an 1 hour time difference between Rome and Tunis