| Blackrock to Juprelle | 528.37 mi (850.34 km) |
| Blackrock to Jurbise | 470.90 mi (757.84 km) |
| Blackrock to Kalmthout | 467.95 mi (753.10 km) |
| Blackrock to Kampenhout | 482.85 mi (777.07 km) |
| Blackrock to Kapelle-op-den-Bos | 473.47 mi (761.97 km) |
| Blackrock to Kapellen | 468.25 mi (753.57 km) |
| Blackrock to Kasterlee | 490.74 mi (789.76 km) |
| Blackrock to Keerbergen | 484.39 mi (779.55 km) |
| Blackrock to Kinrooi | 525.27 mi (845.34 km) |
| Blackrock to Knokke-Heist | 421.65 mi (678.58 km) |
| Blackrock to Koekelare | 416.48 mi (670.27 km) |
| Blackrock to Koekelberg | 476.38 mi (766.67 km) |
| Blackrock to Koksijde | 403.25 mi (648.97 km) |
| Blackrock to Kontich | 473.64 mi (762.25 km) |
| Blackrock to Kortemark | 420.83 mi (677.26 km) |
