Fermo 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 Porto S. Giorgio-Fermo and arrive at Castelvetrano every about 6 hours on average. If travelling with Trenitalia, you need to know the Fermo to Castelvetrano train schedule: the first train leaves at 14:16, while the last ride is at 15:26. A Fermo to Castelvetrano train cost about 103.35 €. But how long is the train ride from Fermo to Castelvetrano? Your journey takes about 22 hours on average.