To get from Ercolano a Siderno Superiore by train you can catch one of the 19 trains that everyday travel between Portici-Ercolano and Siderno, the closest station to the city. For your trip from Portici-Ercolano to Siderno by train you can choose to leave from one of Portici-Ercolano main stations: Portici-Ercolano, Napoli Centrale If travelling with Trenitalia, you need to know the Portici-Ercolano to Siderno train schedule: the first train leaves at 15:55, while the last ride is at 23:53. A Portici-Ercolano to Siderno train cost about 59.0 €. But how long is the train ride from Portici-Ercolano to Siderno? Your journey takes about 6 hours on average. Trenitalia offers 2 direct trains between these two cities.