| Boulogne-Billancourt to Juprelle | 196.13 mi (315.64 km) |
| Boulogne-Billancourt to Jurbise | 139.60 mi (224.66 km) |
| Boulogne-Billancourt to Kalmthout | 201.78 mi (324.73 km) |
| Boulogne-Billancourt to Kampenhout | 178.13 mi (286.67 km) |
| Boulogne-Billancourt to Kapelle-op-den-Bos | 177.91 mi (286.33 km) |
| Boulogne-Billancourt to Kapellen | 197.08 mi (317.16 km) |
| Boulogne-Billancourt to Kasterlee | 205.61 mi (330.90 km) |
| Boulogne-Billancourt to Keerbergen | 183.67 mi (295.59 km) |
| Boulogne-Billancourt to Kinrooi | 222.74 mi (358.46 km) |
| Boulogne-Billancourt to Knokke-Heist | 179.26 mi (288.49 km) |
| Boulogne-Billancourt to Koekelare | 159.26 mi (256.30 km) |
| Boulogne-Billancourt to Koekelberg | 168.48 mi (271.14 km) |
| Boulogne-Billancourt to Koksijde | 157.53 mi (253.53 km) |
| Boulogne-Billancourt to Kontich | 186.65 mi (300.38 km) |
| Boulogne-Billancourt to Kortemark | 155.70 mi (250.58 km) |
