Caltanissetta to Trieste 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 Caltanissetta Centrale and arrive at Trieste Centrale every about 4 hours on average. If travelling with Trenitalia, you need to know the Caltanissetta to Trieste train schedule: the first train leaves at 10:39, while the last ride is at 17:43. A Caltanissetta to Trieste train cost about 222.25 €. But how long is the train ride from Caltanissetta to Trieste? Your journey takes about 10 hours on average.