San Salvo 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 Vasto-S. Salvo, Foggia and arrive at Viterbo Porta Fiorentina, Roma Termini every about 1 hour on average. If travelling with Trenitalia, you need to know the San Salvo to Viterbo train schedule: the first train leaves at 13:17, while the last ride is at 13:17. A San Salvo to Viterbo train cost about 21.0 €. But how long is the train ride from San Salvo to Viterbo? Your journey takes about 8 hours on average. If you need to travel this week, prices start from 19.90€. When booking your train ticket a few weeks in advance though, you can find low cost trains from San Salvo to Viterbo with fares starting from 7.90€, saving up to 80%.