Magenta 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 Magenta and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Magenta to Viterbo train schedule: the first train leaves at 08:13, while the last ride is at 20:17. A Magenta to Viterbo train cost about 39.8 €. But how long is the train ride from Magenta to Viterbo? Your journey takes about 9 hours on average.