Viterbo to Trieste 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 Viterbo Porta Fiorentina and arrive at Trieste Centrale every about 2 hours on average. If travelling with Trenitalia, you need to know the Viterbo to Trieste train schedule: the first train leaves at 08:29, while the last ride is at 14:55. A Viterbo to Trieste train cost about 60.1 €. But how long is the train ride from Viterbo to Trieste? Your journey takes about 9 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Viterbo to Trieste and find low cost tickets starting from 11 €!