Rieti to Agropoli 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 Rieti and arrive at Agropoli-Castellabate every about 1 hour on average. If travelling with Trenitalia, you need to know the Rieti to Agropoli train schedule: the first train leaves at 07:40, while the last ride is at 15:47. A Rieti to Agropoli train cost about 44.0 €. But how long is the train ride from Rieti to Agropoli? Your journey takes about 7 hours on average.