| Apex to Juprelle | 4,136.33 mi (6,656.77 km) |
| Apex to Jurbise | 4,075.03 mi (6,558.13 km) |
| Apex to Kalmthout | 4,076.87 mi (6,561.08 km) |
| Apex to Kampenhout | 4,090.68 mi (6,583.31 km) |
| Apex to Kapelle-op-den-Bos | 4,081.42 mi (6,568.41 km) |
| Apex to Kapellen | 4,077.07 mi (6,561.41 km) |
| Apex to Kasterlee | 4,099.63 mi (6,597.72 km) |
| Apex to Keerbergen | 4,092.54 mi (6,586.30 km) |
| Apex to Kinrooi | 4,134.22 mi (6,653.38 km) |
| Apex to Knokke-Heist | 4,029.84 mi (6,485.40 km) |
| Apex to Koekelare | 4,022.96 mi (6,474.32 km) |
| Apex to Koekelberg | 4,083.60 mi (6,571.92 km) |
| Apex to Koksijde | 4,009.19 mi (6,452.16 km) |
| Apex to Kontich | 4,082.07 mi (6,569.45 km) |
| Apex to Kortemark | 4,026.99 mi (6,480.81 km) |
