Trieste to Qualiano 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 Udine, Trieste Centrale and arrive at Napoli Centrale, Giugliano-Qualiano every 30 minutes on average. If travelling with Trenitalia, you need to know the Trieste to Qualiano train schedule: the first train leaves at 04:31, while the last ride is at 22:07. A Trieste to Qualiano train cost about 68.7 €. But how long is the train ride from Trieste to Qualiano? Your journey takes about 10 hours on average.