Terracina 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 Terracina and arrive at Viterbo Porta Fiorentina every about 6 hours on average. If travelling with Trenitalia, you need to know the Terracina to Viterbo train schedule: the first train leaves at 06:17, while the last ride is at 18:18. A Terracina to Viterbo train cost about 10.7 €. But how long is the train ride from Terracina to Viterbo? Your journey takes about 5 hours on average.