| Upper Grand Lagoon to Kluczbork | 5,180.50 mi (8,337.20 km) |
| Upper Grand Lagoon to Knurow | 5,224.66 mi (8,408.28 km) |
| Upper Grand Lagoon to Kobylka | 5,243.13 mi (8,437.99 km) |
| Upper Grand Lagoon to Kokoszki | 5,076.27 mi (8,169.46 km) |
| Upper Grand Lagoon to Kolbuszowa | 5,339.97 mi (8,593.86 km) |
| Upper Grand Lagoon to Kolno | 5,230.15 mi (8,417.11 km) |
| Upper Grand Lagoon to Kolo | 5,154.39 mi (8,295.18 km) |
| Upper Grand Lagoon to Kolobrzeg | 4,978.19 mi (8,011.63 km) |
| Upper Grand Lagoon to Koluszki | 5,212.94 mi (8,389.42 km) |
| Upper Grand Lagoon to Komorniki | 5,080.61 mi (8,176.44 km) |
| Upper Grand Lagoon to Konin | 5,140.32 mi (8,272.54 km) |
| Upper Grand Lagoon to Konskie | 5,255.23 mi (8,457.47 km) |
| Upper Grand Lagoon to Konstancin-Jeziorna | 5,249.14 mi (8,447.67 km) |
| Upper Grand Lagoon to Konstantynow Lodzki | 5,195.73 mi (8,361.73 km) |
| Upper Grand Lagoon to Koronowo | 5,091.09 mi (8,193.33 km) |
