Pompei to Piombino 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 Pompei and arrive at Piombino every about 1 hour on average. If travelling with Trenitalia, you need to know the Pompei to Piombino train schedule: the first train leaves at 06:28, while the last ride is at 22:21. A Pompei to Piombino train cost about 46.7 €. But how long is the train ride from Pompei to Piombino? Your journey takes about 8 hours on average.