Trieste 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 Trieste Centrale and arrive at Caltanissetta Centrale every about 3 hours on average. If travelling with Trenitalia, you need to know the Trieste to Caltanissetta train schedule: the first train leaves at 16:15, while the last ride is at 20:40. A Trieste to Caltanissetta train cost about 192.0 €. But how long is the train ride from Trieste to Caltanissetta? Your journey takes about 10 hours on average.