Modica 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 Modica and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Modica to Castelvetrano train schedule: the first train leaves at 08:21, while the last ride is at 19:27. A Modica to Castelvetrano train cost about 19.8 €. But how long is the train ride from Modica to Castelvetrano? Your journey takes about 16 hours on average.