Ventimiglia 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 Ventimiglia and arrive at Viterbo Porta Fiorentina every about 3 hours on average. If travelling with Trenitalia, you need to know the Ventimiglia to Viterbo train schedule: the first train leaves at 06:32, while the last ride is at 10:52. A Ventimiglia to Viterbo train cost about 65.5 €. But how long is the train ride from Ventimiglia to Viterbo? Your journey takes about 11 hours on average.