| Clausthal-Zellerfeld to Juprelle | 220.78 mi (355.31 km) |
| Clausthal-Zellerfeld to Jurbise | 290.84 mi (468.06 km) |
| Clausthal-Zellerfeld to Kalmthout | 253.52 mi (408.00 km) |
| Clausthal-Zellerfeld to Kampenhout | 256.52 mi (412.82 km) |
| Clausthal-Zellerfeld to Kapelle-op-den-Bos | 262.86 mi (423.03 km) |
| Clausthal-Zellerfeld to Kapellen | 255.69 mi (411.49 km) |
| Clausthal-Zellerfeld to Kasterlee | 234.60 mi (377.55 km) |
| Clausthal-Zellerfeld to Keerbergen | 251.97 mi (405.51 km) |
| Clausthal-Zellerfeld to Kinrooi | 202.91 mi (326.55 km) |
| Clausthal-Zellerfeld to Knokke-Heist | 304.26 mi (489.66 km) |
| Clausthal-Zellerfeld to Koekelare | 320.41 mi (515.64 km) |
| Clausthal-Zellerfeld to Koekelberg | 267.00 mi (429.69 km) |
| Clausthal-Zellerfeld to Koksijde | 334.32 mi (538.03 km) |
| Clausthal-Zellerfeld to Kontich | 257.46 mi (414.34 km) |
| Clausthal-Zellerfeld to Kortemark | 318.58 mi (512.71 km) |
