Nettuno 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 Nettuno and arrive at Agropoli-Castellabate every about 2 hours on average. If travelling with Trenitalia, you need to know the Nettuno to Agropoli train schedule: the first train leaves at 07:31, while the last ride is at 18:07. A Nettuno to Agropoli train cost about 38.1 €. But how long is the train ride from Nettuno to Agropoli? Your journey takes about 5 hours on average.