Aosta 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 Aosta and arrive at Caltanissetta Centrale every about 3 hours on average. If travelling with Trenitalia, you need to know the Aosta to Caltanissetta train schedule: the first train leaves at 15:26, while the last ride is at 19:26. A Aosta to Caltanissetta train cost about 154.3 €. But how long is the train ride from Aosta to Caltanissetta? Your journey takes about 6 hours on average.