| Fern Down to Juprelle | 324.79 mi (522.69 km) |
| Fern Down to Jurbise | 256.08 mi (412.12 km) |
| Fern Down to Kalmthout | 278.99 mi (448.99 km) |
| Fern Down to Kampenhout | 281.25 mi (452.62 km) |
| Fern Down to Kapelle-op-den-Bos | 273.29 mi (439.81 km) |
| Fern Down to Kapellen | 277.14 mi (446.01 km) |
| Fern Down to Kasterlee | 299.10 mi (481.35 km) |
| Fern Down to Keerbergen | 284.77 mi (458.30 km) |
| Fern Down to Kinrooi | 333.03 mi (535.96 km) |
| Fern Down to Knokke-Heist | 228.09 mi (367.08 km) |
| Fern Down to Koekelare | 213.27 mi (343.23 km) |
| Fern Down to Koekelberg | 271.93 mi (437.62 km) |
| Fern Down to Koksijde | 199.01 mi (320.28 km) |
| Fern Down to Kontich | 277.09 mi (445.94 km) |
| Fern Down to Kortemark | 215.85 mi (347.38 km) |
