Viterbo to Sciacca 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 Viterbo Porta Fiorentina, Reggio di Calabria Centrale and arrive at Castelvetrano every about 2 hours on average. If travelling with Trenitalia, you need to know the Viterbo to Sciacca train schedule: the first train leaves at 05:15, while the last ride is at 13:45. A Viterbo to Sciacca train cost about 36.45 €. But how long is the train ride from Viterbo to Sciacca? Your journey takes about 11 hours on average.