| Sidcup to Kluczbork | 782.76 mi (1,259.73 km) |
| Sidcup to Knurow | 813.12 mi (1,308.58 km) |
| Sidcup to Kobylka | 898.83 mi (1,446.53 km) |
| Sidcup to Kokoszki | 790.30 mi (1,271.86 km) |
| Sidcup to Kolbuszowa | 945.29 mi (1,521.30 km) |
| Sidcup to Kolno | 926.38 mi (1,490.86 km) |
| Sidcup to Kolo | 791.19 mi (1,273.30 km) |
| Sidcup to Kolobrzeg | 672.15 mi (1,081.73 km) |
| Sidcup to Koluszki | 843.31 mi (1,357.18 km) |
| Sidcup to Komorniki | 709.26 mi (1,141.44 km) |
| Sidcup to Konin | 775.63 mi (1,248.25 km) |
| Sidcup to Konskie | 874.65 mi (1,407.62 km) |
| Sidcup to Konstancin-Jeziorna | 896.80 mi (1,443.26 km) |
| Sidcup to Konstantynow Lodzki | 823.46 mi (1,325.23 km) |
| Sidcup to Koronowo | 761.35 mi (1,225.28 km) |
