To get from Sezze a Siderno Superiore by train you can catch one of the 4 trains that everyday travel between Sezze Romano and Siderno, the closest station to the city. For your trip from Sezze Romano to Siderno by train you can choose to leave from one of Sezze Romano main stations: Sezze Romano If travelling with Trenitalia, you need to know the Sezze Romano to Siderno train schedule: the first train leaves at 07:25, while the last ride is at 22:37. A Sezze Romano to Siderno train cost about 65.1 €. But how long is the train ride from Sezze Romano to Siderno? Your journey takes about 9 hours on average.