Monterotondo 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 and arrive at Comiso every about 12 hours on average. If travelling with Trenitalia, you need to know the Monterotondo to Comiso train schedule: the first train leaves at 06:02, while the last ride is at 06:02. A Monterotondo to Comiso train cost about 80.65 €. But how long is the train ride from Monterotondo to Comiso? Your journey takes about 17 hours on average.