Bolzano 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 Bolzano Bozen and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Bolzano to Viterbo train schedule: the first train leaves at 21:30, while the last ride is at 21:30. A Bolzano to Viterbo train cost about 49.2 €. But how long is the train ride from Bolzano to Viterbo? Your journey takes about 10 hours on average.