Monterotondo to Biella 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 Biella S. Paolo every about 4 hours on average. If travelling with Trenitalia, you need to know the Monterotondo to Biella train schedule: the first train leaves at 07:32, while the last ride is at 22:29. A Monterotondo to Biella train cost about 56.85 €. But how long is the train ride from Monterotondo to Biella? Your journey takes about 8 hours on average.