Acerra 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 Acerra and arrive at Siderno every about 12 hours on average. If travelling with Trenitalia, you need to know the Acerra to Siderno train schedule: the first train leaves at 14:52, while the last ride is at 14:52. A Acerra to Siderno train cost about 50.4 €. But how long is the train ride from Acerra to Siderno? Your journey takes about 7 hours on average.