Trento 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 Trento and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Trento to Castelvetrano train schedule: the first train leaves at 22:16, while the last ride is at 22:16. A Trento to Castelvetrano train cost about 213.15 €. But how long is the train ride from Trento to Castelvetrano? Your journey takes about 24 hours on average.