Treviglio 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 Treviglio and arrive at Castelvetrano every about 6 hours on average. If travelling with Trenitalia, you need to know the Treviglio to Sciacca train schedule: the first train leaves at 18:02, while the last ride is at 19:02. A Treviglio to Sciacca train cost about 126.65 €. But how long is the train ride from Treviglio to Sciacca? Your journey takes about 9 hours on average.