Rieti to Agrigento 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 Agrigento Centrale every about 12 hours on average. If travelling with Trenitalia, you need to know the Rieti to Agrigento train schedule: the first train leaves at 18:23, while the last ride is at 18:23. A Rieti to Agrigento train cost about 115.75 €. But how long is the train ride from Rieti to Agrigento? Your journey takes about 20 hours on average.