Trieste to Quattromiglia 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 Castiglione Cosentino every about 2 hours on average. If travelling with Trenitalia, you need to know the Trieste to Quattromiglia train schedule: the first train leaves at 05:15, while the last ride is at 20:40. A Trieste to Quattromiglia train cost about 160.9 €. But how long is the train ride from Trieste to Quattromiglia? Your journey takes about 13 hours on average.