Potenza 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. You can count on 1 daily rides to get from Potenza to Viterbo. If travelling with Trenitalia, you need to know the Potenza to Viterbo train schedule: the first train leaves at 14:15, while the last ride is at 14:15. A Potenza to Viterbo train cost about 49.2 €. But how long is the train ride from Potenza to Viterbo? Your journey takes about 7 hours on average.