Roseto degli Abruzzi 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 Roseto Degli Abruzzi and arrive at Viterbo Porta Fiorentina every about 3 hours on average. If travelling with Trenitalia, you need to know the Roseto degli Abruzzi to Viterbo train schedule: the first train leaves at 06:33, while the last ride is at 16:22. A Roseto degli Abruzzi to Viterbo train cost about 20.9 €. But how long is the train ride from Roseto degli Abruzzi to Viterbo? Your journey takes about 7 hours on average.