Mentana to Comiso trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Monterotondo-Mentana, Roma Termini and arrive at Comiso every about 4 hours on average. If travelling with Trenitalia, you need to know the Mentana to Comiso train schedule: the first train leaves at 06:02, while the last ride is at 07:35. A Mentana to Comiso train cost about 80.65 €. But how long is the train ride from Mentana to Comiso? Your journey takes about 16 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Mentana to Comiso and find low cost tickets starting from 49 €!