Melito di Napoli 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 Frattamaggiore-Grumo and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Melito di Napoli to Castelvetrano train schedule: the first train leaves at 08:40, while the last ride is at 22:04. A Melito di Napoli to Castelvetrano train cost about 70.65 €. But how long is the train ride from Melito di Napoli to Castelvetrano? Your journey takes about 15 hours on average.