To get from Naples a Rocca di Papa by train you can catch one of the 14 trains that everyday travel between Napoli Centrale and Castel Gandolfo, the closest station to the city. For your trip from Napoli Centrale to Castel Gandolfo by train you can choose to leave from one of Napoli Centrale main stations: Napoli Centrale If travelling with Trenitalia, you need to know the Napoli Centrale to Castel Gandolfo train schedule: the first train leaves at 04:21, while the last ride is at 19:30. A Napoli Centrale to Castel Gandolfo train cost about 24 €. But how long is the train ride from Napoli Centrale to Castel Gandolfo? Your journey takes about 2 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Napoli Centrale to Castel Gandolfo and find low cost tickets starting from 12 €!