| Greenbelt to Juprelle | 3,903.68 mi (6,282.37 km) |
| Greenbelt to Jurbise | 3,843.45 mi (6,185.43 km) |
| Greenbelt to Kalmthout | 3,843.49 mi (6,185.50 km) |
| Greenbelt to Kampenhout | 3,858.07 mi (6,208.96 km) |
| Greenbelt to Kapelle-op-den-Bos | 3,848.75 mi (6,193.96 km) |
| Greenbelt to Kapellen | 3,843.83 mi (6,186.05 km) |
| Greenbelt to Kasterlee | 3,866.29 mi (6,222.19 km) |
| Greenbelt to Keerbergen | 3,859.78 mi (6,211.71 km) |
| Greenbelt to Kinrooi | 3,900.72 mi (6,277.60 km) |
| Greenbelt to Knokke-Heist | 3,797.03 mi (6,110.74 km) |
| Greenbelt to Koekelare | 3,790.75 mi (6,100.62 km) |
| Greenbelt to Koekelberg | 3,851.22 mi (6,197.94 km) |
| Greenbelt to Koksijde | 3,777.10 mi (6,078.65 km) |
| Greenbelt to Kontich | 3,849.15 mi (6,194.61 km) |
| Greenbelt to Kortemark | 3,794.87 mi (6,107.25 km) |
