Conversano 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 Polignano a Mare and arrive at Siderno every about 6 hours on average. If travelling with Trenitalia, you need to know the Conversano to Siderno train schedule: the first train leaves at 05:48, while the last ride is at 06:30. A Conversano to Siderno train cost about 29.5 €. But how long is the train ride from Conversano to Siderno? Your journey takes about 10 hours on average.