| River Grove to Koscian | 4,534.19 mi (7,297.07 km) |
| River Grove to Koscielisko | 4,766.08 mi (7,670.27 km) |
| River Grove to Koscierzyna | 4,491.82 mi (7,228.89 km) |
| River Grove to Kostrzyn | 4,540.12 mi (7,306.62 km) |
| River Grove to Kostrzyn nad Odra | 4,446.33 mi (7,155.68 km) |
| River Grove to Koszalin | 4,430.37 mi (7,129.99 km) |
| River Grove to Kowary | 4,560.95 mi (7,340.14 km) |
| River Grove to Kozienice | 4,718.41 mi (7,593.55 km) |
| River Grove to Kozuchow | 4,512.68 mi (7,262.46 km) |
| River Grove to Kozy | 4,714.96 mi (7,587.99 km) |
| River Grove to Krakow | 4,733.00 mi (7,617.02 km) |
| River Grove to Krapkowice | 4,648.18 mi (7,480.52 km) |
| River Grove to Krasnik | 4,769.91 mi (7,676.43 km) |
| River Grove to Krasnystaw | 4,798.19 mi (7,721.94 km) |
| River Grove to Krosno | 4,811.05 mi (7,742.64 km) |
