Piombino to Treviglio 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 Treviglio every about 2 hours on average. If travelling with Trenitalia, you need to know the Piombino to Treviglio train schedule: the first train leaves at 09:26, while the last ride is at 18:56. A Piombino to Treviglio train cost about 31.7 €. But how long is the train ride from Piombino to Treviglio? Your journey takes about 7 hours on average.