| Fos-sur-Mer to Juprelle | 502.54 mi (808.76 km) |
| Fos-sur-Mer to Jurbise | 491.40 mi (790.84 km) |
| Fos-sur-Mer to Kalmthout | 548.28 mi (882.38 km) |
| Fos-sur-Mer to Kampenhout | 517.62 mi (833.03 km) |
| Fos-sur-Mer to Kapelle-op-den-Bos | 523.20 mi (842.01 km) |
| Fos-sur-Mer to Kapellen | 543.75 mi (875.09 km) |
| Fos-sur-Mer to Kasterlee | 538.62 mi (866.83 km) |
| Fos-sur-Mer to Keerbergen | 521.77 mi (839.71 km) |
| Fos-sur-Mer to Kinrooi | 532.67 mi (857.25 km) |
| Fos-sur-Mer to Knokke-Heist | 550.38 mi (885.75 km) |
| Fos-sur-Mer to Koekelare | 535.52 mi (861.84 km) |
| Fos-sur-Mer to Koekelberg | 512.94 mi (825.49 km) |
| Fos-sur-Mer to Koksijde | 539.02 mi (867.46 km) |
| Fos-sur-Mer to Kontich | 531.06 mi (854.66 km) |
| Fos-sur-Mer to Kortemark | 530.81 mi (854.25 km) |
