Velletri 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 Velletri and arrive at Siderno every about 6 hours on average. If travelling with Trenitalia, you need to know the Velletri to Siderno train schedule: the first train leaves at 09:28, while the last ride is at 13:00. A Velletri to Siderno train cost about 71.4 €. But how long is the train ride from Velletri to Siderno? Your journey takes about 11 hours on average.