| Harrow Weald to Juprelle | 261.66 mi (421.10 km) |
| Harrow Weald to Jurbise | 199.66 mi (321.33 km) |
| Harrow Weald to Kalmthout | 207.25 mi (333.54 km) |
| Harrow Weald to Kampenhout | 216.17 mi (347.90 km) |
| Harrow Weald to Kapelle-op-den-Bos | 207.21 mi (333.48 km) |
| Harrow Weald to Kapellen | 206.36 mi (332.11 km) |
| Harrow Weald to Kasterlee | 229.11 mi (368.72 km) |
| Harrow Weald to Keerbergen | 218.62 mi (351.84 km) |
| Harrow Weald to Kinrooi | 264.03 mi (424.92 km) |
| Harrow Weald to Knokke-Heist | 157.08 mi (252.80 km) |
| Harrow Weald to Koekelare | 147.56 mi (237.47 km) |
| Harrow Weald to Koekelberg | 208.41 mi (335.40 km) |
| Harrow Weald to Koksijde | 133.59 mi (214.99 km) |
| Harrow Weald to Kontich | 209.08 mi (336.48 km) |
| Harrow Weald to Kortemark | 151.41 mi (243.67 km) |
