Monterotondo to Viareggio 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 Viareggio every 60 minutes on average. If travelling with Trenitalia, you need to know the Monterotondo to Viareggio train schedule: the first train leaves at 05:32, while the last ride is at 19:02. A Monterotondo to Viareggio train cost about 42.4 €. But how long is the train ride from Monterotondo to Viareggio? Your journey takes about 4 hours on average.