Grosseto to Campobasso 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 Campobasso every about 2 hours on average. If travelling with Trenitalia, you need to know the Grosseto to Campobasso train schedule: the first train leaves at 10:29, while the last ride is at 18:29. A Grosseto to Campobasso train cost about 26.3 €. But how long is the train ride from Grosseto to Campobasso? Your journey takes about 6 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Grosseto to Campobasso and find low cost tickets starting from 23 €!