Seveso 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 Seveso and arrive at Viterbo Porta Fiorentina every about 3 hours on average. If travelling with Trenitalia, you need to know the Seveso to Viterbo train schedule: the first train leaves at 12:24, while the last ride is at 12:24. A Seveso to Viterbo train cost about 56.65 €. But how long is the train ride from Seveso to Viterbo? Your journey takes about 9 hours on average.