| Castelfidardo to Juprelle | 626.26 mi (1,007.88 km) |
| Castelfidardo to Jurbise | 665.08 mi (1,070.35 km) |
| Castelfidardo to Kalmthout | 691.38 mi (1,112.67 km) |
| Castelfidardo to Kampenhout | 666.26 mi (1,072.25 km) |
| Castelfidardo to Kapelle-op-den-Bos | 675.49 mi (1,087.10 km) |
| Castelfidardo to Kapellen | 688.89 mi (1,108.65 km) |
| Castelfidardo to Kasterlee | 670.80 mi (1,079.55 km) |
| Castelfidardo to Keerbergen | 667.03 mi (1,073.48 km) |
| Castelfidardo to Kinrooi | 643.71 mi (1,035.95 km) |
| Castelfidardo to Knokke-Heist | 724.17 mi (1,165.43 km) |
| Castelfidardo to Koekelare | 721.77 mi (1,161.58 km) |
| Castelfidardo to Koekelberg | 668.96 mi (1,076.58 km) |
| Castelfidardo to Koksijde | 732.81 mi (1,179.34 km) |
| Castelfidardo to Kontich | 678.97 mi (1,092.70 km) |
| Castelfidardo to Kortemark | 716.82 mi (1,153.61 km) |
