| Castenaso to Juprelle | 509.92 mi (820.64 km) |
| Castenaso to Jurbise | 544.32 mi (875.99 km) |
| Castenaso to Kalmthout | 574.42 mi (924.43 km) |
| Castenaso to Kampenhout | 548.07 mi (882.03 km) |
| Castenaso to Kapelle-op-den-Bos | 557.11 mi (896.58 km) |
| Castenaso to Kapellen | 571.62 mi (919.94 km) |
| Castenaso to Kasterlee | 554.66 mi (892.63 km) |
| Castenaso to Keerbergen | 549.23 mi (883.90 km) |
| Castenaso to Kinrooi | 529.56 mi (852.25 km) |
| Castenaso to Knokke-Heist | 604.52 mi (972.87 km) |
| Castenaso to Koekelare | 600.89 mi (967.04 km) |
| Castenaso to Koekelberg | 550.02 mi (885.17 km) |
| Castenaso to Koksijde | 611.44 mi (984.01 km) |
| Castenaso to Kontich | 561.16 mi (903.10 km) |
| Castenaso to Kortemark | 595.88 mi (958.97 km) |
