Grosseto to Triggiano 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 Bari Centrale every 60 minutes on average. If travelling with Trenitalia, you need to know the Grosseto to Triggiano train schedule: the first train leaves at 07:19, while the last ride is at 15:03. A Grosseto to Triggiano train cost about 67.05 €. But how long is the train ride from Grosseto to Triggiano? Your journey takes about 10 hours on average.