Aci Catena 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 Acireale and arrive at Viterbo Porta Fiorentina every about 3 hours on average. If travelling with Trenitalia, you need to know the Aci Catena to Viterbo train schedule: the first train leaves at 20:39, while the last ride is at 20:39. A Aci Catena to Viterbo train cost about 97.3 €. But how long is the train ride from Aci Catena to Viterbo? Your journey takes about 13 hours on average.