| Sidcup to Jozefow | 901.40 mi (1,450.67 km) |
| Sidcup to Kalisz | 770.07 mi (1,239.31 km) |
| Sidcup to Kamien Pomorski | 637.59 mi (1,026.10 km) |
| Sidcup to Kamienna Gora | 691.20 mi (1,112.37 km) |
| Sidcup to Karczew | 902.43 mi (1,452.32 km) |
| Sidcup to Kartuzy | 778.47 mi (1,252.82 km) |
| Sidcup to Katowice | 826.70 mi (1,330.44 km) |
| Sidcup to Kedzierzyn-Kozle | 790.27 mi (1,271.82 km) |
| Sidcup to Kepno | 769.68 mi (1,238.68 km) |
| Sidcup to Ketrzyn | 904.97 mi (1,456.42 km) |
| Sidcup to Kety | 841.31 mi (1,353.96 km) |
| Sidcup to Kielce | 887.73 mi (1,428.66 km) |
| Sidcup to Kielczow | 736.54 mi (1,185.35 km) |
| Sidcup to Klobuck | 814.28 mi (1,310.46 km) |
| Sidcup to Klodzko | 722.31 mi (1,162.45 km) |
