| Frederick to Juprelle | 3,904.94 mi (6,284.39 km) |
| Frederick to Jurbise | 3,845.19 mi (6,188.23 km) |
| Frederick to Kalmthout | 3,844.43 mi (6,187.02 km) |
| Frederick to Kampenhout | 3,859.35 mi (6,211.02 km) |
| Frederick to Kapelle-op-den-Bos | 3,850.01 mi (6,195.99 km) |
| Frederick to Kapellen | 3,844.83 mi (6,187.66 km) |
| Frederick to Kasterlee | 3,867.24 mi (6,223.72 km) |
| Frederick to Keerbergen | 3,860.99 mi (6,213.67 km) |
| Frederick to Kinrooi | 3,901.59 mi (6,279.01 km) |
| Frederick to Knokke-Heist | 3,798.25 mi (6,112.69 km) |
| Frederick to Koekelare | 3,792.23 mi (6,103.00 km) |
| Frederick to Koekelberg | 3,852.61 mi (6,200.17 km) |
| Frederick to Koksijde | 3,778.64 mi (6,081.13 km) |
| Frederick to Kontich | 3,850.30 mi (6,196.45 km) |
| Frederick to Kortemark | 3,796.38 mi (6,109.69 km) |
