| Harrow Weald to Kluczbork | 800.71 mi (1,288.61 km) |
| Harrow Weald to Knurow | 831.85 mi (1,338.73 km) |
| Harrow Weald to Kobylka | 914.86 mi (1,472.32 km) |
| Harrow Weald to Kokoszki | 803.44 mi (1,293.02 km) |
| Harrow Weald to Kolbuszowa | 963.52 mi (1,550.64 km) |
| Harrow Weald to Kolno | 941.02 mi (1,514.43 km) |
| Harrow Weald to Kolo | 807.54 mi (1,299.62 km) |
| Harrow Weald to Kolobrzeg | 685.20 mi (1,102.72 km) |
| Harrow Weald to Koluszki | 860.16 mi (1,384.29 km) |
| Harrow Weald to Komorniki | 725.61 mi (1,167.76 km) |
| Harrow Weald to Konin | 791.98 mi (1,274.57 km) |
| Harrow Weald to Konskie | 892.08 mi (1,435.66 km) |
| Harrow Weald to Konstancin-Jeziorna | 913.13 mi (1,469.54 km) |
| Harrow Weald to Konstantynow Lodzki | 840.35 mi (1,352.41 km) |
| Harrow Weald to Koronowo | 776.10 mi (1,249.00 km) |
