Gorizia 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 Gorizia Centrale and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Gorizia to Viterbo train schedule: the first train leaves at 07:41, while the last ride is at 21:31. A Gorizia to Viterbo train cost about 66.7 €. But how long is the train ride from Gorizia to Viterbo? Your journey takes about 9 hours on average.