Quattromiglia to Frosinone 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 Castiglione Cosentino and arrive at Frosinone every about 1 hour on average. If travelling with Trenitalia, you need to know the Quattromiglia to Frosinone train schedule: the first train leaves at 07:52, while the last ride is at 21:44. A Quattromiglia to Frosinone train cost about 43.7 €. But how long is the train ride from Quattromiglia to Frosinone? Your journey takes about 7 hours on average.