Grottaferrata to Palermo 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 Frascati and arrive at Palermo Centrale every about 2 hours on average. If travelling with Trenitalia, you need to know the Grottaferrata to Palermo train schedule: the first train leaves at 06:34, while the last ride is at 21:36. A Grottaferrata to Palermo train cost about 51.1 €. But how long is the train ride from Grottaferrata to Palermo? Your journey takes about 13 hours on average.