Chiari 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 Chiari and arrive at Viterbo Porta Fiorentina every about 1 hour on average. If travelling with Trenitalia, you need to know the Chiari to Viterbo train schedule: the first train leaves at 07:54, while the last ride is at 23:14. A Chiari to Viterbo train cost about 50.15 €. But how long is the train ride from Chiari to Viterbo? Your journey takes about 9 hours on average.