Frattamaggiore to Grosseto 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 Frattamaggiore-Grumo and arrive at Grosseto every 30 minutes on average. If travelling with Trenitalia, you need to know the Frattamaggiore to Grosseto train schedule: the first train leaves at 07:10, while the last ride is at 21:34. A Frattamaggiore to Grosseto train cost about 22.05 €. But how long is the train ride from Frattamaggiore to Grosseto? Your journey takes about 5 hours on average.