Ercolano 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 Roma Termini, Portici-Ercolano, Roma Tiburtina and arrive at Viterbo Porta Fiorentina every 60 minutes on average. If travelling with Trenitalia, you need to know the Ercolano to Viterbo train schedule: the first train leaves at 05:45, while the last ride is at 21:46. A Ercolano to Viterbo train cost about 5.40 €. But how long is the train ride from Ercolano to Viterbo? Your journey takes about 2 hours on average. Trenitalia offers 4 direct trains between these two cities. If you need to travel this week, prices range from 8.20 € to 8.20€. Booking your train ticket a few weeks in advance though, you can find low cost trains from Ercolano to Viterbo with fares starting from 5.40€, saving 28% on average.