Casalnuovo di Napoli 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 Casalnuovo di Napoli and arrive at Siderno every about 6 hours on average. If travelling with Trenitalia, you need to know the Casalnuovo di Napoli to Siderno train schedule: the first train leaves at 14:56, while the last ride is at 21:21. A Casalnuovo di Napoli to Siderno train cost about 72.4 €. But how long is the train ride from Casalnuovo di Napoli to Siderno? Your journey takes about 9 hours on average.