Grugliasco 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 Collegno and arrive at Rosolini every about 4 hours on average. If travelling with Trenitalia, you need to know the Grugliasco to Rosolini train schedule: the first train leaves at 17:00, while the last ride is at 21:00. A Grugliasco to Rosolini train cost about 98.45 €. But how long is the train ride from Grugliasco to Rosolini? Your journey takes about 21 hours on average.