Frascati 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 Tor Vergata and arrive at Siderno every about 12 hours on average. If travelling with Trenitalia, you need to know the Frascati to Siderno train schedule: the first train leaves at 10:46, while the last ride is at 10:46. A Frascati to Siderno train cost about 71.4 €. But how long is the train ride from Frascati to Siderno? Your journey takes about 11 hours on average.