Carpi 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 Carpi and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Carpi to Castelvetrano train schedule: the first train leaves at 16:27, while the last ride is at 18:27. A Carpi to Castelvetrano train cost about 138.95 €. But how long is the train ride from Carpi to Castelvetrano? Your journey takes about 20 hours on average.