San Salvo to Siderno trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Vasto-S. Salvo and arrive at Napoli Centrale, Siderno every about 2 hours on average. If travelling with Trenitalia, you need to know the San Salvo to Siderno train schedule: the first train leaves at 15:26, while the last ride is at 17:59. A San Salvo to Siderno train cost about 14.65 €. But how long is the train ride from San Salvo to Siderno? Your journey takes about 5 hours on average.