Sora 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 Sora and arrive at Siderno every about 6 hours on average. If travelling with Trenitalia, you need to know the Sora to Siderno train schedule: the first train leaves at 15:38, while the last ride is at 17:45. A Sora to Siderno train cost about 76.6 €. But how long is the train ride from Sora to Siderno? Your journey takes about 16 hours on average.