Rovereto 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 Rovereto and arrive at Viterbo Porta Fiorentina every about 4 hours on average. If travelling with Trenitalia, you need to know the Rovereto to Viterbo train schedule: the first train leaves at 11:25, while the last ride is at 22:32. A Rovereto to Viterbo train cost about 53.4 €. But how long is the train ride from Rovereto to Viterbo? Your journey takes about 10 hours on average.