National road 8 is a route in the Polish national road network, running diagonally through Poland from the Czech border in Kudowa Zdrój in the south-west to Raczki near the border with Lithuania in the north-east, through the Lower Silesia, Greater Poland, Łódź, Masovian and Podlaskie voivodeships. For most of its length it forms the Polish section of the European route E67 known as the Via Baltica between Warsaw and Tallinn.

European route E 67 is an E-road running from Prague in the Czech Republic to Estonia and by ferry to Finland. It goes via Prague, Wrocław, Warsaw, Kaunas, Panevėžys, Riga, Tallinn, Helsinki.