San Severo 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 S. Severo and arrive at Siderno every about 3 hours on average. If travelling with Trenitalia, you need to know the San Severo to Siderno train schedule: the first train leaves at 04:59, while the last ride is at 20:16. A San Severo to Siderno train cost about 48.5 €. But how long is the train ride from San Severo to Siderno? Your journey takes about 12 hours on average.