Quarto 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 Quarto di Marano and arrive at Trieste Centrale every about 1 hour on average. If travelling with Trenitalia, you need to know the Quarto to Trieste train schedule: the first train leaves at 06:13, while the last ride is at 14:58. A Quarto to Trieste train cost about 74.2 €. But how long is the train ride from Quarto to Trieste? Your journey takes about 9 hours on average.