Crotone 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 Crotone and arrive at Frosinone every about 1 hour on average. If travelling with Trenitalia, you need to know the Crotone to Frosinone train schedule: the first train leaves at 10:30, while the last ride is at 10:30. A Crotone to Frosinone train cost about 63.9 €. But how long is the train ride from Crotone to Frosinone? Your journey takes about 12 hours on average.