Piacenza to Mazara del Vallo 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 Piacenza and arrive at Mazara del Vallo every about 2 hours on average. If travelling with Trenitalia, you need to know the Piacenza to Mazara del Vallo train schedule: the first train leaves at 17:50, while the last ride is at 20:07. A Piacenza to Mazara del Vallo train cost about 121.6 €. But how long is the train ride from Piacenza to Mazara del Vallo? Your journey takes about 16 hours on average.