Grosseto to Modica 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 Modica every about 2 hours on average. If travelling with Trenitalia, you need to know the Grosseto to Modica train schedule: the first train leaves at 17:30, while the last ride is at 20:29. A Grosseto to Modica train cost about 115.15 €. But how long is the train ride from Grosseto to Modica? Your journey takes about 19 hours on average.