Potenza 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 Potenza Centrale and arrive at Castelvetrano every about 12 hours on average. If travelling with Trenitalia, you need to know the Potenza to Castelvetrano train schedule: the first train leaves at 18:58, while the last ride is at 18:58. A Potenza to Castelvetrano train cost about 115.3 €. But how long is the train ride from Potenza to Castelvetrano? Your journey takes about 22 hours on average.