Bassano del Grappa 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 Bassano del Grappa and arrive at Viterbo Porta Fiorentina every about 12 hours on average. If travelling with Trenitalia, you need to know the Bassano del Grappa to Viterbo train schedule: the first train leaves at 13:40, while the last ride is at 13:40. A Bassano del Grappa to Viterbo train cost about 61.1 €. But how long is the train ride from Bassano del Grappa to Viterbo? Your journey takes about 9 hours on average.