To get from Grugliasco a Piazza Armerina by train you can catch one of the 2 trains that everyday travel between Collegno and Dittaino, the closest station to the city. For your trip from Collegno to Dittaino by train you can choose to leave from one of Collegno main stations: Collegno If travelling with Trenitalia, you need to know the Collegno to Dittaino train schedule: the first train leaves at 17:00, while the last ride is at 21:00. A Collegno to Dittaino train cost about 176.85 €. But how long is the train ride from Collegno to Dittaino? Your journey takes about 20 hours on average.