Mentana to Enna 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 Enna every about 3 hours on average. If travelling with Trenitalia, you need to know the Mentana to Enna train schedule: the first train leaves at 06:32, while the last ride is at 22:26. A Mentana to Enna train cost about 65.35 €. But how long is the train ride from Mentana to Enna? Your journey takes about 13 hours on average.