Genzano di Roma 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 Lanuvio and arrive at Siderno every about 6 hours on average. If travelling with Trenitalia, you need to know the Genzano di Roma to Siderno train schedule: the first train leaves at 09:42, while the last ride is at 13:15. A Genzano di Roma to Siderno train cost about 73.6 €. But how long is the train ride from Genzano di Roma to Siderno? Your journey takes about 10 hours on average.