| Cay to Juprelle | 1,495.29 mi (2,406.44 km) |
| Cay to Jurbise | 1,554.98 mi (2,502.51 km) |
| Cay to Kalmthout | 1,556.42 mi (2,504.82 km) |
| Cay to Kampenhout | 1,540.84 mi (2,479.73 km) |
| Cay to Kapelle-op-den-Bos | 1,550.20 mi (2,494.81 km) |
| Cay to Kapellen | 1,555.86 mi (2,503.92 km) |
| Cay to Kasterlee | 1,533.61 mi (2,468.11 km) |
| Cay to Keerbergen | 1,539.28 mi (2,477.23 km) |
| Cay to Kinrooi | 1,499.54 mi (2,413.27 km) |
| Cay to Knokke-Heist | 1,602.01 mi (2,578.19 km) |
| Cay to Koekelare | 1,607.82 mi (2,587.54 km) |
| Cay to Koekelberg | 1,547.48 mi (2,490.44 km) |
| Cay to Koksijde | 1,621.41 mi (2,609.41 km) |
| Cay to Kontich | 1,550.09 mi (2,494.62 km) |
| Cay to Kortemark | 1,603.66 mi (2,580.85 km) |
