Treviso 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 Treviso Centrale and arrive at Castelvetrano every about 3 hours on average. If travelling with Trenitalia, you need to know the Treviso to Castelvetrano train schedule: the first train leaves at 16:56, while the last ride is at 23:25. A Treviso to Castelvetrano train cost about 211.65 €. But how long is the train ride from Treviso to Castelvetrano? Your journey takes about 22 hours on average.