| Castel Bolognese to Juprelle | 529.72 mi (852.50 km) |
| Castel Bolognese to Jurbise | 564.80 mi (908.96 km) |
| Castel Bolognese to Kalmthout | 594.34 mi (956.49 km) |
| Castel Bolognese to Kampenhout | 568.17 mi (914.38 km) |
| Castel Bolognese to Kapelle-op-den-Bos | 577.24 mi (928.98 km) |
| Castel Bolognese to Kapellen | 591.59 mi (952.07 km) |
| Castel Bolognese to Kasterlee | 574.44 mi (924.47 km) |
| Castel Bolognese to Keerbergen | 569.27 mi (916.15 km) |
| Castel Bolognese to Kinrooi | 549.01 mi (883.55 km) |
| Castel Bolognese to Knokke-Heist | 624.85 mi (1,005.60 km) |
| Castel Bolognese to Koekelare | 621.40 mi (1,000.05 km) |
| Castel Bolognese to Koekelberg | 570.23 mi (917.70 km) |
| Castel Bolognese to Koksijde | 632.02 mi (1,017.14 km) |
| Castel Bolognese to Kontich | 581.21 mi (935.36 km) |
| Castel Bolognese to Kortemark | 616.40 mi (992.00 km) |
