The PKP connection between Osowiec and Siedlce is operated by TLK. The first direct train departs at 14:37 from Osowiec station. The last train to Siedlce leaves at 14:37. The fastest train without transfers is BIEBRZA. The journey on this train takes 03:38. Other trains operate on the Osowiec – Siedlce route: - offer a lower ticket price and usually a longer journey time. The train finishes at Siedlce.
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