| Castel San Giovanni to Juprelle | 431.07 mi (693.74 km) |
| Castel San Giovanni to Jurbise | 456.57 mi (734.78 km) |
| Castel San Giovanni to Kalmthout | 493.45 mi (794.13 km) |
| Castel San Giovanni to Kampenhout | 465.24 mi (748.73 km) |
| Castel San Giovanni to Kapelle-op-den-Bos | 473.82 mi (762.53 km) |
| Castel San Giovanni to Kapellen | 490.17 mi (788.85 km) |
| Castel San Giovanni to Kasterlee | 475.41 mi (765.09 km) |
| Castel San Giovanni to Keerbergen | 467.12 mi (751.76 km) |
| Castel San Giovanni to Kinrooi | 454.15 mi (730.88 km) |
| Castel San Giovanni to Knokke-Heist | 518.33 mi (834.18 km) |
| Castel San Giovanni to Koekelare | 512.36 mi (824.57 km) |
| Castel San Giovanni to Koekelberg | 465.79 mi (749.62 km) |
| Castel San Giovanni to Koksijde | 521.83 mi (839.80 km) |
| Castel San Giovanni to Kontich | 478.86 mi (770.64 km) |
| Castel San Giovanni to Kortemark | 507.27 mi (816.38 km) |
