Osimo 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 Osimo-Castelfidardo and arrive at Rosolini every about 2 hours on average. If travelling with Trenitalia, you need to know the Osimo to Rosolini train schedule: the first train leaves at 06:44, while the last ride is at 22:24. A Osimo to Rosolini train cost about 94.95 €. But how long is the train ride from Osimo to Rosolini? Your journey takes about 16 hours on average.