Rocca di Papa to Alcamo 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 Castel Gandolfo and arrive at Alcamo Diramazione every about 12 hours on average. If travelling with Trenitalia, you need to know the Rocca di Papa to Alcamo train schedule: the first train leaves at 20:51, while the last ride is at 20:51. A Rocca di Papa to Alcamo train cost about 66.85 €. But how long is the train ride from Rocca di Papa to Alcamo? Your journey takes about 19 hours on average.