Gallarate 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 Gallarate and arrive at Castelvetrano every about 12 hours on average. If travelling with Trenitalia, you need to know the Gallarate to Sciacca train schedule: the first train leaves at 17:58, while the last ride is at 17:58. A Gallarate to Sciacca train cost about 219.05 €. But how long is the train ride from Gallarate to Sciacca? Your journey takes about 19 hours on average.