| Castelsarrasin to Juprelle | 505.44 mi (813.43 km) |
| Castelsarrasin to Jurbise | 467.70 mi (752.69 km) |
| Castelsarrasin to Kalmthout | 530.72 mi (854.12 km) |
| Castelsarrasin to Kampenhout | 503.05 mi (809.58 km) |
| Castelsarrasin to Kapelle-op-den-Bos | 505.33 mi (813.25 km) |
| Castelsarrasin to Kapellen | 525.90 mi (846.36 km) |
| Castelsarrasin to Kasterlee | 529.12 mi (851.54 km) |
| Castelsarrasin to Keerbergen | 508.27 mi (817.99 km) |
| Castelsarrasin to Kinrooi | 536.02 mi (862.64 km) |
| Castelsarrasin to Knokke-Heist | 514.50 mi (828.01 km) |
| Castelsarrasin to Koekelare | 494.87 mi (796.42 km) |
| Castelsarrasin to Koekelberg | 495.05 mi (796.71 km) |
| Castelsarrasin to Koksijde | 493.04 mi (793.48 km) |
| Castelsarrasin to Kontich | 514.12 mi (827.40 km) |
| Castelsarrasin to Kortemark | 491.20 mi (790.52 km) |
