| Castelnau-le-Lez to Juprelle | 495.10 mi (796.78 km) |
| Castelnau-le-Lez to Jurbise | 476.50 mi (766.85 km) |
| Castelnau-le-Lez to Kalmthout | 535.87 mi (862.40 km) |
| Castelnau-le-Lez to Kampenhout | 505.59 mi (813.67 km) |
| Castelnau-le-Lez to Kapelle-op-den-Bos | 510.36 mi (821.34 km) |
| Castelnau-le-Lez to Kapellen | 531.20 mi (854.88 km) |
| Castelnau-le-Lez to Kasterlee | 528.27 mi (850.18 km) |
| Castelnau-le-Lez to Keerbergen | 510.09 mi (820.91 km) |
| Castelnau-le-Lez to Kinrooi | 525.79 mi (846.18 km) |
| Castelnau-le-Lez to Knokke-Heist | 533.10 mi (857.94 km) |
| Castelnau-le-Lez to Koekelare | 516.79 mi (831.70 km) |
| Castelnau-le-Lez to Koekelberg | 499.94 mi (804.57 km) |
| Castelnau-le-Lez to Koksijde | 518.95 mi (835.16 km) |
| Castelnau-le-Lez to Kontich | 518.58 mi (834.58 km) |
| Castelnau-le-Lez to Kortemark | 512.28 mi (824.44 km) |
