Siderno 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 Siderno and arrive at Castelvetrano every about 12 hours on average. If travelling with Trenitalia, you need to know the Siderno to Castelvetrano train schedule: the first train leaves at 11:22, while the last ride is at 11:22. A Siderno to Castelvetrano train cost about 49.45 €. But how long is the train ride from Siderno to Castelvetrano? Your journey takes about 11 hours on average.