Flight Carthage International Airport departs from Tunis Carthage International Airport at 13:55 and arrives at Rome Leonardo da Vinci–Fiumicino Airport at 16:15.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 585 Km. So the average speed is roughly 439 Km.
There is an 1 hour time difference between Tunis and Rome