Fondi to San Cataldo 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 Fondi-Sperlonga and arrive at S. Cataldo every about 4 hours on average. If travelling with Trenitalia, you need to know the Fondi to San Cataldo train schedule: the first train leaves at 11:48, while the last ride is at 22:10. A Fondi to San Cataldo train cost about 74.25 €. But how long is the train ride from Fondi to San Cataldo? Your journey takes about 19 hours on average.