| Unterwellenborn to Juprelle | 258.60 mi (416.18 km) |
| Unterwellenborn to Jurbise | 329.30 mi (529.95 km) |
| Unterwellenborn to Kalmthout | 307.14 mi (494.30 km) |
| Unterwellenborn to Kampenhout | 301.50 mi (485.22 km) |
| Unterwellenborn to Kapelle-op-den-Bos | 309.59 mi (498.23 km) |
| Unterwellenborn to Kapellen | 308.08 mi (495.80 km) |
| Unterwellenborn to Kasterlee | 285.40 mi (459.31 km) |
| Unterwellenborn to Keerbergen | 298.07 mi (479.70 km) |
| Unterwellenborn to Kinrooi | 250.64 mi (403.36 km) |
| Unterwellenborn to Knokke-Heist | 357.53 mi (575.39 km) |
| Unterwellenborn to Koekelare | 369.92 mi (595.33 km) |
| Unterwellenborn to Koekelberg | 310.89 mi (500.32 km) |
| Unterwellenborn to Koksijde | 384.26 mi (618.41 km) |
| Unterwellenborn to Kontich | 306.34 mi (493.01 km) |
| Unterwellenborn to Kortemark | 367.06 mi (590.72 km) |
