Piossasco 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, Airasca and arrive at Siderno every 60 minutes on average. If travelling with Trenitalia, you need to know the Piossasco to Siderno train schedule: the first train leaves at 02:21, while the last ride is at 16:29. A Piossasco to Siderno train cost about 41.1 €. But how long is the train ride from Piossasco to Siderno? Your journey takes about 6 hours on average.