Monterotondo to Collegno 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 Collegno every 60 minutes on average. If travelling with Trenitalia, you need to know the Monterotondo to Collegno train schedule: the first train leaves at 06:32, while the last ride is at 22:29. A Monterotondo to Collegno train cost about 57.5 €. But how long is the train ride from Monterotondo to Collegno? Your journey takes about 8 hours on average.