| Bad Salzdetfurth to Juprelle | 214.24 mi (344.79 km) |
| Bad Salzdetfurth to Jurbise | 282.91 mi (455.30 km) |
| Bad Salzdetfurth to Kalmthout | 241.79 mi (389.12 km) |
| Bad Salzdetfurth to Kampenhout | 247.25 mi (397.90 km) |
| Bad Salzdetfurth to Kapelle-op-den-Bos | 252.99 mi (407.15 km) |
| Bad Salzdetfurth to Kapellen | 244.29 mi (393.15 km) |
| Bad Salzdetfurth to Kasterlee | 224.00 mi (360.49 km) |
| Bad Salzdetfurth to Keerbergen | 242.45 mi (390.19 km) |
| Bad Salzdetfurth to Kinrooi | 193.87 mi (312.01 km) |
| Bad Salzdetfurth to Knokke-Heist | 292.05 mi (470.00 km) |
| Bad Salzdetfurth to Koekelare | 309.10 mi (497.44 km) |
| Bad Salzdetfurth to Koekelberg | 257.88 mi (415.02 km) |
| Bad Salzdetfurth to Koksijde | 322.77 mi (519.44 km) |
| Bad Salzdetfurth to Kontich | 247.06 mi (397.60 km) |
| Bad Salzdetfurth to Kortemark | 307.58 mi (495.00 km) |
