Udine 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 Udine and arrive at Castelvetrano every about 2 hours on average. If travelling with Trenitalia, you need to know the Udine to Castelvetrano train schedule: the first train leaves at 15:07, while the last ride is at 22:07. A Udine to Castelvetrano train cost about 144.65 €. But how long is the train ride from Udine to Castelvetrano? Your journey takes about 14 hours on average.