Monopoli 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 Monopoli and arrive at Siderno every about 12 hours on average. If travelling with Trenitalia, you need to know the Monopoli to Siderno train schedule: the first train leaves at 04:41, while the last ride is at 04:41. A Monopoli to Siderno train cost about 37.1 €. But how long is the train ride from Monopoli to Siderno? Your journey takes about 9 hours on average.