Melzo 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 Melzo and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Melzo to Viterbo train schedule: the first train leaves at 06:27, while the last ride is at 14:57. A Melzo to Viterbo train cost about 56.1 €. But how long is the train ride from Melzo to Viterbo? Your journey takes about 8 hours on average.