Frascati 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 Tor Vergata and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Frascati to Castelvetrano train schedule: the first train leaves at 06:34, while the last ride is at 21:26. A Frascati to Castelvetrano train cost about 69.65 €. But how long is the train ride from Frascati to Castelvetrano? Your journey takes about 16 hours on average.