Pompei 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 Pompei and arrive at S. Cataldo every about 6 hours on average. If travelling with Trenitalia, you need to know the Pompei to San Cataldo train schedule: the first train leaves at 13:20, while the last ride is at 21:54. A Pompei to San Cataldo train cost about 65.55 €. But how long is the train ride from Pompei to San Cataldo? Your journey takes about 19 hours on average.