| Castrop-Rauxel to Juprelle | 96.40 mi (155.14 km) |
| Castrop-Rauxel to Jurbise | 162.89 mi (262.14 km) |
| Castrop-Rauxel to Kalmthout | 123.20 mi (198.28 km) |
| Castrop-Rauxel to Kampenhout | 126.85 mi (204.14 km) |
| Castrop-Rauxel to Kapelle-op-den-Bos | 132.69 mi (213.55 km) |
| Castrop-Rauxel to Kapellen | 125.23 mi (201.54 km) |
| Castrop-Rauxel to Kasterlee | 104.10 mi (167.53 km) |
| Castrop-Rauxel to Keerbergen | 122.06 mi (196.44 km) |
| Castrop-Rauxel to Kinrooi | 73.56 mi (118.38 km) |
| Castrop-Rauxel to Knokke-Heist | 174.11 mi (280.20 km) |
| Castrop-Rauxel to Koekelare | 189.89 mi (305.60 km) |
| Castrop-Rauxel to Koekelberg | 137.49 mi (221.26 km) |
| Castrop-Rauxel to Koksijde | 203.84 mi (328.05 km) |
| Castrop-Rauxel to Kontich | 127.03 mi (204.43 km) |
| Castrop-Rauxel to Kortemark | 188.06 mi (302.65 km) |
