Saronno 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 Saronno and arrive at Castelvetrano every about 2 hours on average. If travelling with Trenitalia, you need to know the Saronno to Castelvetrano train schedule: the first train leaves at 17:05, while the last ride is at 20:05. A Saronno to Castelvetrano train cost about 116.25 €. But how long is the train ride from Saronno to Castelvetrano? Your journey takes about 10 hours on average.