Asti 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 Asti and arrive at Castelvetrano every about 3 hours on average. If travelling with Trenitalia, you need to know the Asti to Castelvetrano train schedule: the first train leaves at 16:00, while the last ride is at 22:36. A Asti to Castelvetrano train cost about 136.55 €. But how long is the train ride from Asti to Castelvetrano? Your journey takes about 8 hours on average.