Treviso 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 Treviso Centrale and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Treviso to Viterbo train schedule: the first train leaves at 06:25, while the last ride is at 23:14. A Treviso to Viterbo train cost about 44.3 €. But how long is the train ride from Treviso to Viterbo? Your journey takes about 8 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Treviso to Viterbo and find low cost tickets starting from 27 €!