Città di Castello to Monterotondo 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 Arezzo and arrive at Monterotondo-Mentana every about 1 hour on average. If travelling with Trenitalia, you need to know the Città di Castello to Monterotondo train schedule: the first train leaves at 04:25, while the last ride is at 20:14. A Città di Castello to Monterotondo train cost about 15.45 €. But how long is the train ride from Città di Castello to Monterotondo? Your journey takes about 3 hours on average.