Alessandria 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 Alessandria and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Alessandria to Viterbo train schedule: the first train leaves at 07:31, while the last ride is at 16:16. A Alessandria to Viterbo train cost about 61.8 €. But how long is the train ride from Alessandria to Viterbo? Your journey takes about 11 hours on average.