Mondragone 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 Falciano-Mondragone-Carinola, Roma Tiburtina and arrive at Viterbo Porta Fiorentina every 60 minutes on average. If travelling with Trenitalia, you need to know the Mondragone to Viterbo train schedule: the first train leaves at 06:08, while the last ride is at 21:46. A Mondragone to Viterbo train cost about 8.20 €. But how long is the train ride from Mondragone to Viterbo? Your journey takes about 4 hours on average. Trenitalia offers 2 direct trains between these two cities. Booking your train ticket a few weeks in advance though, you can find low cost trains from Mondragone to Viterbo with fares starting from 8.20€, saving 0% on average.