| Saint-Cyr-sur-Mer to Juprelle | 520.55 mi (837.75 km) |
| Saint-Cyr-sur-Mer to Jurbise | 514.65 mi (828.26 km) |
| Saint-Cyr-sur-Mer to Kalmthout | 569.50 mi (916.53 km) |
| Saint-Cyr-sur-Mer to Kampenhout | 538.75 mi (867.04 km) |
| Saint-Cyr-sur-Mer to Kapelle-op-den-Bos | 544.86 mi (876.86 km) |
| Saint-Cyr-sur-Mer to Kapellen | 565.09 mi (909.43 km) |
| Saint-Cyr-sur-Mer to Kasterlee | 558.46 mi (898.76 km) |
| Saint-Cyr-sur-Mer to Keerbergen | 542.63 mi (873.28 km) |
| Saint-Cyr-sur-Mer to Kinrooi | 550.08 mi (885.27 km) |
| Saint-Cyr-sur-Mer to Knokke-Heist | 574.89 mi (925.19 km) |
| Saint-Cyr-sur-Mer to Koekelare | 561.06 mi (902.94 km) |
| Saint-Cyr-sur-Mer to Koekelberg | 534.76 mi (860.62 km) |
| Saint-Cyr-sur-Mer to Koksijde | 565.41 mi (909.94 km) |
| Saint-Cyr-sur-Mer to Kontich | 552.42 mi (889.04 km) |
| Saint-Cyr-sur-Mer to Kortemark | 556.23 mi (895.16 km) |
