Comiso 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 Comiso and arrive at Siderno every about 12 hours on average. If travelling with Trenitalia, you need to know the Comiso to Siderno train schedule: the first train leaves at 07:10, while the last ride is at 07:10. A Comiso to Siderno train cost about 46.9 €. But how long is the train ride from Comiso to Siderno? Your journey takes about 10 hours on average.