Pozzuoli 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 Pozzuoli Solfatara and arrive at Trieste Centrale every about 2 hours on average. If travelling with Trenitalia, you need to know the Pozzuoli to Trieste train schedule: the first train leaves at 05:23, while the last ride is at 10:53. A Pozzuoli to Trieste train cost about 94.25 €. But how long is the train ride from Pozzuoli to Trieste? Your journey takes about 9 hours on average.