Rocca di Papa 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 Castel Gandolfo and arrive at Castelvetrano every about 12 hours on average. If travelling with Trenitalia, you need to know the Rocca di Papa to Castelvetrano train schedule: the first train leaves at 19:51, while the last ride is at 19:51. A Rocca di Papa to Castelvetrano train cost about 102.8 €. But how long is the train ride from Rocca di Papa to Castelvetrano? Your journey takes about 17 hours on average.