Mentana to Vasto 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 Porto di Vasto every about 3 hours on average. If travelling with Trenitalia, you need to know the Mentana to Vasto train schedule: the first train leaves at 07:02, while the last ride is at 15:47. A Mentana to Vasto train cost about 16.6 €. But how long is the train ride from Mentana to Vasto? Your journey takes about 6 hours on average.