Poggibonsi 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 Poggibonsi-S. Gimignano and arrive at Agrigento Centrale every about 12 hours on average. If travelling with Trenitalia, you need to know the Poggibonsi to Agrigento train schedule: the first train leaves at 18:46, while the last ride is at 18:46. A Poggibonsi to Agrigento train cost about 137.6 €. But how long is the train ride from Poggibonsi to Agrigento? Your journey takes about 21 hours on average.