| Middle River to Jozefow | 4,427.05 mi (7,124.65 km) |
| Middle River to Kalisz | 4,324.72 mi (6,959.97 km) |
| Middle River to Kamien Pomorski | 4,131.01 mi (6,648.22 km) |
| Middle River to Kamienna Gora | 4,280.52 mi (6,888.83 km) |
| Middle River to Karczew | 4,429.46 mi (7,128.53 km) |
| Middle River to Kartuzy | 4,242.34 mi (6,827.39 km) |
| Middle River to Katowice | 4,411.89 mi (7,100.26 km) |
| Middle River to Kedzierzyn-Kozle | 4,377.96 mi (7,045.65 km) |
| Middle River to Kepno | 4,337.40 mi (6,980.37 km) |
| Middle River to Ketrzyn | 4,362.62 mi (7,020.95 km) |
| Middle River to Kety | 4,432.57 mi (7,133.53 km) |
| Middle River to Kielce | 4,450.68 mi (7,162.68 km) |
| Middle River to Kielczow | 4,312.00 mi (6,939.49 km) |
| Middle River to Klobuck | 4,385.76 mi (7,058.20 km) |
| Middle River to Klodzko | 4,315.92 mi (6,945.80 km) |
