Sarno 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 Sarno and arrive at S. Cataldo every about 6 hours on average. If travelling with Trenitalia, you need to know the Sarno to San Cataldo train schedule: the first train leaves at 13:00, while the last ride is at 21:28. A Sarno to San Cataldo train cost about 65.55 €. But how long is the train ride from Sarno to San Cataldo? Your journey takes about 20 hours on average.