Campobasso 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 Campobasso and arrive at Siderno every about 6 hours on average. If travelling with Trenitalia, you need to know the Campobasso to Siderno train schedule: the first train leaves at 06:28, while the last ride is at 06:28. A Campobasso to Siderno train cost about 66.7 €. But how long is the train ride from Campobasso to Siderno? Your journey takes about 11 hours on average.