Domodossola 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 Domodossola and arrive at Viterbo Porta Fiorentina every 60 minutes on average. If travelling with Trenitalia, you need to know the Domodossola to Viterbo train schedule: the first train leaves at 06:51, while the last ride is at 19:58. A Domodossola to Viterbo train cost about 58.35 €. But how long is the train ride from Domodossola to Viterbo? Your journey takes about 10 hours on average.