Frosinone to Gallarate 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 Frosinone and arrive at Gallarate every about 2 hours on average. If travelling with Trenitalia, you need to know the Frosinone to Gallarate train schedule: the first train leaves at 07:45, while the last ride is at 18:05. A Frosinone to Gallarate train cost about 93.8 €. But how long is the train ride from Frosinone to Gallarate? Your journey takes about 7 hours on average.