The PKP connection between Osowiec and Siemiatycze is operated by TLK. The first direct train departs at 14:37 from Osowiec station. The last train to Siemiatycze leaves at 14:37. The fastest train without transfers is BIEBRZA. The journey on this train takes 02:56. Other trains operate on the Osowiec – Siemiatycze route: - offer a lower ticket price and usually a longer journey time. The train finishes at Siemiatycze.
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