Capua 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 Capua and arrive at Siderno every about 12 hours on average. If travelling with Trenitalia, you need to know the Capua to Siderno train schedule: the first train leaves at 14:19, while the last ride is at 14:19. A Capua to Siderno train cost about 74.6 €. But how long is the train ride from Capua to Siderno? Your journey takes about 8 hours on average.