Frascati to Treviglio 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 Treviglio every 60 minutes on average. If travelling with Trenitalia, you need to know the Frascati to Treviglio train schedule: the first train leaves at 07:21, while the last ride is at 23:10. A Frascati to Treviglio train cost about 51.75 €. But how long is the train ride from Frascati to Treviglio? Your journey takes about 6 hours on average.