To get from Grottaferrata a Siderno Superiore by train you can catch one of the 4 trains that everyday travel between Frascati and Siderno, the closest station to the city. For your trip from Frascati to Siderno by train you can choose to leave from one of Frascati main stations: Frascati If travelling with Trenitalia, you need to know the Frascati to Siderno train schedule: the first train leaves at 06:35, while the last ride is at 09:37. A Frascati to Siderno train cost about 72.6 €. But how long is the train ride from Frascati to Siderno? Your journey takes about 10 hours on average.