| River Forest to Koscian | 4,535.10 mi (7,298.54 km) |
| River Forest to Koscielisko | 4,766.96 mi (7,671.68 km) |
| River Forest to Koscierzyna | 4,492.82 mi (7,230.49 km) |
| River Forest to Kostrzyn | 4,541.05 mi (7,308.11 km) |
| River Forest to Kostrzyn nad Odra | 4,447.23 mi (7,157.13 km) |
| River Forest to Koszalin | 4,431.34 mi (7,131.55 km) |
| River Forest to Kowary | 4,561.81 mi (7,341.52 km) |
| River Forest to Kozienice | 4,719.38 mi (7,595.11 km) |
| River Forest to Kozuchow | 4,513.57 mi (7,263.88 km) |
| River Forest to Kozy | 4,715.84 mi (7,589.41 km) |
| River Forest to Krakow | 4,733.90 mi (7,618.47 km) |
| River Forest to Krapkowice | 4,649.06 mi (7,481.94 km) |
| River Forest to Krasnik | 4,770.87 mi (7,677.98 km) |
| River Forest to Krasnystaw | 4,799.17 mi (7,723.52 km) |
| River Forest to Krosno | 4,811.97 mi (7,744.12 km) |
