| Harlau to Juprelle | 990.19 mi (1,593.56 km) |
| Harlau to Jurbise | 1,059.31 mi (1,704.80 km) |
| Harlau to Kalmthout | 1,040.85 mi (1,675.09 km) |
| Harlau to Kampenhout | 1,034.29 mi (1,664.53 km) |
| Harlau to Kapelle-op-den-Bos | 1,042.66 mi (1,678.00 km) |
| Harlau to Kapellen | 1,041.78 mi (1,676.59 km) |
| Harlau to Kasterlee | 1,019.09 mi (1,640.06 km) |
| Harlau to Keerbergen | 1,031.13 mi (1,659.44 km) |
| Harlau to Kinrooi | 984.26 mi (1,584.01 km) |
| Harlau to Knokke-Heist | 1,091.21 mi (1,756.13 km) |
| Harlau to Koekelare | 1,103.09 mi (1,775.25 km) |
| Harlau to Koekelberg | 1,043.27 mi (1,678.98 km) |
| Harlau to Koksijde | 1,117.43 mi (1,798.33 km) |
| Harlau to Kontich | 1,039.79 mi (1,673.38 km) |
| Harlau to Kortemark | 1,100.03 mi (1,770.32 km) |
