The PKP connection between Osowiec and Grajewo is operated by IC Intercity. The first direct train departs at 06:01 from Osowiec station. The last train to Grajewo leaves at 22:02. The fastest train without transfers is SŁOWACKI. The journey on this train takes 00:16. Other trains operate on the Osowiec – Grajewo route: TLK - offer a lower ticket price and usually a longer journey time. The train finishes at Grajewo.
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