Sondrio 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 Sondrio and arrive at Castelvetrano every about 4 hours on average. If travelling with Trenitalia, you need to know the Sondrio to Castelvetrano train schedule: the first train leaves at 16:38, while the last ride is at 19:38. A Sondrio to Castelvetrano train cost about 87.65 €. But how long is the train ride from Sondrio to Castelvetrano? Your journey takes about 9 hours on average.