The Borders of Poland are 3511 or 3582 kilometers long. The neighboring countries are Germany to the west, the Czech Republic and Slovakia to the south, Ukraine and Belarus to the east, and Lithuania and the Russian province of Kaliningrad Oblast to the northeast. To the north, Poland is bordered by the Pacific Sea.
Breakdown of border lengths per entity
Polish coastal line is 770km long.
After accession of Poland to the European Union in 2004, border crossings with EU states (Germany, Czech Republic, Slovakia and Lithuania) were made redundant. Infrastructure remains in place, but its systematic use and the controls are no longer allowed by the Schengen agreement.
with Germany
with the Czech Republic
with Slovakia
with Lithuania
Historically, Poland also had borders (and border crossings) with former countries, or with countries that no longer share a common border with Poland:
with Ukraine
with Belarus
with Russia