Bologna to Castelvetrano 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 Bologna Centrale and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Bologna to Castelvetrano train schedule: the first train leaves at 02:17, while the last ride is at 19:20. A Bologna to Castelvetrano train cost about 160.15 €. But how long is the train ride from Bologna to Castelvetrano? Your journey takes about 19 hours on average.