Ostuni 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 Ostuni and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Ostuni to Viterbo train schedule: the first train leaves at 06:00, while the last ride is at 23:01. A Ostuni to Viterbo train cost about 73.4 €. But how long is the train ride from Ostuni to Viterbo? Your journey takes about 10 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Ostuni to Viterbo and find low cost tickets starting from 57 €!