| Upper Grand Lagoon to Krosno Odrzanskie | 5,028.11 mi (8,091.96 km) |
| Upper Grand Lagoon to Krotoszyn | 5,127.32 mi (8,251.62 km) |
| Upper Grand Lagoon to Kruszwica | 5,126.99 mi (8,251.10 km) |
| Upper Grand Lagoon to Krynica | 5,340.11 mi (8,594.08 km) |
| Upper Grand Lagoon to Krzeszowice | 5,263.80 mi (8,471.27 km) |
| Upper Grand Lagoon to Kudowa-Zdroj | 5,123.18 mi (8,244.97 km) |
| Upper Grand Lagoon to Kutno | 5,180.14 mi (8,336.63 km) |
| Upper Grand Lagoon to Kwidzyn | 5,112.71 mi (8,228.11 km) |
| Upper Grand Lagoon to Lancut | 5,364.20 mi (8,632.84 km) |
| Upper Grand Lagoon to Lapy | 5,279.13 mi (8,495.94 km) |
| Upper Grand Lagoon to Lask | 5,193.89 mi (8,358.75 km) |
| Upper Grand Lagoon to Laziska Gorne | 5,233.36 mi (8,422.27 km) |
| Upper Grand Lagoon to Lebork | 5,043.64 mi (8,116.96 km) |
| Upper Grand Lagoon to Leczna | 5,342.00 mi (8,597.12 km) |
| Upper Grand Lagoon to Leczyca | 5,180.39 mi (8,337.04 km) |
