Grosseto to Treviso 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 Treviso Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Grosseto to Treviso train schedule: the first train leaves at 05:00, while the last ride is at 15:24. A Grosseto to Treviso train cost about 79.1 €. But how long is the train ride from Grosseto to Treviso? Your journey takes about 6 hours on average.