Piombino 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 Piombino and arrive at Mazara del Vallo every about 4 hours on average. If travelling with Trenitalia, you need to know the Piombino to Mazara del Vallo train schedule: the first train leaves at 17:35, while the last ride is at 18:56. A Piombino to Mazara del Vallo train cost about 138.1 €. But how long is the train ride from Piombino to Mazara del Vallo? Your journey takes about 21 hours on average.