Frosinone to Rho 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 Rho every about 2 hours on average. If travelling with Trenitalia, you need to know the Frosinone to Rho train schedule: the first train leaves at 06:13, while the last ride is at 17:20. A Frosinone to Rho train cost about 93.4 €. But how long is the train ride from Frosinone to Rho? Your journey takes about 6 hours on average.