Cento 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 Salerno, S. Pietro in Casale and arrive at Siderno every about 2 hours on average. If travelling with Trenitalia, you need to know the Cento to Siderno train schedule: the first train leaves at 02:21, while the last ride is at 21:23. A Cento to Siderno train cost about 41.1 €. But how long is the train ride from Cento to Siderno? Your journey takes about 11 hours on average.