Augusta 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 Augusta and arrive at Viterbo Porta Fiorentina every about 4 hours on average. If travelling with Trenitalia, you need to know the Augusta to Viterbo train schedule: the first train leaves at 19:35, while the last ride is at 22:06. A Augusta to Viterbo train cost about 100.6 €. But how long is the train ride from Augusta to Viterbo? Your journey takes about 16 hours on average.