Cento to Sciacca 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 S. Pietro in Casale and arrive at Castelvetrano every about 6 hours on average. If travelling with Trenitalia, you need to know the Cento to Sciacca train schedule: the first train leaves at 18:23, while the last ride is at 18:52. A Cento to Sciacca train cost about 150.55 €. But how long is the train ride from Cento to Sciacca? Your journey takes about 18 hours on average.