| Saint-Omer to Juprelle | 143.12 mi (230.33 km) |
| Saint-Omer to Jurbise | 74.77 mi (120.34 km) |
| Saint-Omer to Kalmthout | 105.35 mi (169.54 km) |
| Saint-Omer to Kampenhout | 100.74 mi (162.12 km) |
| Saint-Omer to Kapelle-op-den-Bos | 93.65 mi (150.72 km) |
| Saint-Omer to Kapellen | 102.24 mi (164.53 km) |
| Saint-Omer to Kasterlee | 121.96 mi (196.27 km) |
| Saint-Omer to Keerbergen | 104.82 mi (168.70 km) |
| Saint-Omer to Kinrooi | 153.91 mi (247.70 km) |
| Saint-Omer to Knokke-Heist | 60.55 mi (97.44 km) |
| Saint-Omer to Koekelare | 39.26 mi (63.19 km) |
| Saint-Omer to Koekelberg | 90.86 mi (146.22 km) |
| Saint-Omer to Koksijde | 29.63 mi (47.68 km) |
| Saint-Omer to Kontich | 98.95 mi (159.24 km) |
| Saint-Omer to Kortemark | 39.26 mi (63.19 km) |
