Grosseto to Trapani 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 Trapani every about 3 hours on average. If travelling with Trenitalia, you need to know the Grosseto to Trapani train schedule: the first train leaves at 04:19, while the last ride is at 20:29. A Grosseto to Trapani train cost about 111.6 €. But how long is the train ride from Grosseto to Trapani? Your journey takes about 19 hours on average.