Gravina di Catania 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 Catania Ognina and arrive at Trieste Centrale every about 3 hours on average. If travelling with Trenitalia, you need to know the Gravina di Catania to Trieste train schedule: the first train leaves at 07:36, while the last ride is at 18:42. A Gravina di Catania to Trieste train cost about 127.0 €. But how long is the train ride from Gravina di Catania to Trieste? Your journey takes about 20 hours on average.