Viterbo to Caltanissetta 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 Viterbo Porta Fiorentina and arrive at Caltanissetta Centrale every about 6 hours on average. If travelling with Trenitalia, you need to know the Viterbo to Caltanissetta train schedule: the first train leaves at 18:32, while the last ride is at 18:32. A Viterbo to Caltanissetta train cost about 105.3 €. But how long is the train ride from Viterbo to Caltanissetta? Your journey takes about 17 hours on average.