Bologna 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 Bologna Centrale and arrive at Siderno every about 1 hour on average. If travelling with Trenitalia, you need to know the Bologna to Siderno train schedule: the first train leaves at 02:17, while the last ride is at 22:00. A Bologna to Siderno train cost about 77.5 €. But how long is the train ride from Bologna to Siderno? Your journey takes about 14 hours on average.