Castelvetrano to Viterbo 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 Castelvetrano and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Castelvetrano to Viterbo train schedule: the first train leaves at 07:01, while the last ride is at 19:32. A Castelvetrano to Viterbo train cost about 93.35 €. But how long is the train ride from Castelvetrano to Viterbo? Your journey takes about 9 hours on average.