| Black Forest to Juprelle | 4,937.60 mi (7,946.30 km) |
| Black Forest to Jurbise | 4,891.35 mi (7,871.87 km) |
| Black Forest to Kalmthout | 4,872.58 mi (7,841.65 km) |
| Black Forest to Kampenhout | 4,894.59 mi (7,877.08 km) |
| Black Forest to Kapelle-op-den-Bos | 4,885.13 mi (7,861.85 km) |
| Black Forest to Kapellen | 4,874.35 mi (7,844.50 km) |
| Black Forest to Kasterlee | 4,894.58 mi (7,877.07 km) |
| Black Forest to Keerbergen | 4,894.65 mi (7,877.17 km) |
| Black Forest to Kinrooi | 4,925.59 mi (7,926.97 km) |
| Black Forest to Knokke-Heist | 4,834.57 mi (7,780.49 km) |
| Black Forest to Koekelare | 4,834.82 mi (7,780.90 km) |
| Black Forest to Koekelberg | 4,890.51 mi (7,870.52 km) |
| Black Forest to Koksijde | 4,823.12 mi (7,762.06 km) |
| Black Forest to Kontich | 4,882.87 mi (7,858.22 km) |
| Black Forest to Kortemark | 4,839.66 mi (7,788.68 km) |
