Piombino to Comiso 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 Comiso every about 4 hours on average. If travelling with Trenitalia, you need to know the Piombino to Comiso train schedule: the first train leaves at 17:35, while the last ride is at 18:56. A Piombino to Comiso train cost about 103.5 €. But how long is the train ride from Piombino to Comiso? Your journey takes about 13 hours on average.