Trieste to Rosolini 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 Rosolini every about 2 hours on average. If travelling with Trenitalia, you need to know the Trieste to Rosolini train schedule: the first train leaves at 14:15, while the last ride is at 20:40. A Trieste to Rosolini train cost about 118.3 €. But how long is the train ride from Trieste to Rosolini? Your journey takes about 17 hours on average.