Segrate 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 Segrate and arrive at Viterbo Porta Fiorentina every about 2 hours on average. If travelling with Trenitalia, you need to know the Segrate to Viterbo train schedule: the first train leaves at 08:15, while the last ride is at 16:15. A Segrate to Viterbo train cost about 71.85 €. But how long is the train ride from Segrate to Viterbo? Your journey takes about 6 hours on average.