Erba 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 Moiana and arrive at S. Cataldo every about 6 hours on average. If travelling with Trenitalia, you need to know the Erba to San Cataldo train schedule: the first train leaves at 15:16, while the last ride is at 17:16. A Erba to San Cataldo train cost about 179.4 €. But how long is the train ride from Erba to San Cataldo? Your journey takes about 22 hours on average.