Gragnano 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 Salerno and arrive at Udine every 60 minutes on average. If travelling with Trenitalia, you need to know the Gragnano to Trieste train schedule: the first train leaves at 06:12, while the last ride is at 15:45. A Gragnano to Trieste train cost about 79.95 €. But how long is the train ride from Gragnano to Trieste? Your journey takes about 8 hours on average.