Olbia 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. You can count on 10 daily rides to get from Olbia to Rosolini. Trains leave from Roma Termini and arrive at Rosolini every about 1 hour on average. The trip by train from Olbia to Rosolini last on average 12:32 travelling with high-speed trains (Frecciarossa or Italotreno) If travelling with Trenitalia, you need to know the Olbia to Rosolini train schedule: the first train leaves at 07:35, while the last ride is at 22:26. A Olbia to Rosolini train cost about 62.95 €. But how long is the train ride from Olbia to Rosolini? Your journey takes about 14 hours on average.