| Middle Island to Krosno Odrzanskie | 3,998.20 mi (6,434.48 km) |
| Middle Island to Krotoszyn | 4,097.61 mi (6,594.47 km) |
| Middle Island to Kruszwica | 4,098.24 mi (6,595.48 km) |
| Middle Island to Krynica | 4,310.02 mi (6,936.30 km) |
| Middle Island to Krzeszowice | 4,233.76 mi (6,813.59 km) |
| Middle Island to Kudowa-Zdroj | 4,092.96 mi (6,586.98 km) |
| Middle Island to Kutno | 4,151.30 mi (6,680.88 km) |
| Middle Island to Kwidzyn | 4,085.34 mi (6,574.72 km) |
| Middle Island to Lancut | 4,334.59 mi (6,975.84 km) |
| Middle Island to Lapy | 4,252.61 mi (6,843.91 km) |
| Middle Island to Lask | 4,164.49 mi (6,702.09 km) |
| Middle Island to Laziska Gorne | 4,203.24 mi (6,764.46 km) |
| Middle Island to Lebork | 4,016.87 mi (6,464.53 km) |
| Middle Island to Leczna | 4,313.51 mi (6,941.93 km) |
| Middle Island to Leczyca | 4,151.35 mi (6,680.96 km) |
