Grosseto 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 Grosseto and arrive at Porto di Vasto every about 3 hours on average. If travelling with Trenitalia, you need to know the Grosseto to Vasto train schedule: the first train leaves at 04:19, while the last ride is at 13:30. A Grosseto to Vasto train cost about 28.35 €. But how long is the train ride from Grosseto to Vasto? Your journey takes about 9 hours on average.