| Middle River to Koscian | 4,260.55 mi (6,856.69 km) |
| Middle River to Koscielisko | 4,480.31 mi (7,210.35 km) |
| Middle River to Koscierzyna | 4,241.81 mi (6,826.54 km) |
| Middle River to Kostrzyn | 4,271.43 mi (6,874.20 km) |
| Middle River to Kostrzyn nad Odra | 4,170.23 mi (6,711.34 km) |
| Middle River to Koszalin | 4,174.79 mi (6,718.67 km) |
| Middle River to Kowary | 4,272.59 mi (6,876.07 km) |
| Middle River to Kozienice | 4,459.15 mi (7,176.31 km) |
| Middle River to Kozuchow | 4,232.16 mi (6,811.00 km) |
| Middle River to Kozy | 4,431.22 mi (7,131.36 km) |
| Middle River to Krakow | 4,454.08 mi (7,168.15 km) |
| Middle River to Krapkowice | 4,365.02 mi (7,024.83 km) |
| Middle River to Krasnik | 4,507.53 mi (7,254.17 km) |
| Middle River to Krasnystaw | 4,540.34 mi (7,306.97 km) |
| Middle River to Krosno | 4,536.30 mi (7,300.47 km) |
