Alcamo 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 Alcamo Diramazione and arrive at Viterbo Porta Fiorentina every about 12 hours on average. If travelling with Trenitalia, you need to know the Alcamo to Viterbo train schedule: the first train leaves at 07:39, while the last ride is at 07:39. A Alcamo to Viterbo train cost about 126.7 €. But how long is the train ride from Alcamo to Viterbo? Your journey takes about 15 hours on average.