| Gaithersburg to Juprelle | 3,910.45 mi (6,293.25 km) |
| Gaithersburg to Jurbise | 3,850.43 mi (6,196.67 km) |
| Gaithersburg to Kalmthout | 3,850.11 mi (6,196.16 km) |
| Gaithersburg to Kampenhout | 3,864.84 mi (6,219.86 km) |
| Gaithersburg to Kapelle-op-den-Bos | 3,855.51 mi (6,204.85 km) |
| Gaithersburg to Kapellen | 3,850.48 mi (6,196.75 km) |
| Gaithersburg to Kasterlee | 3,872.91 mi (6,232.85 km) |
| Gaithersburg to Keerbergen | 3,866.52 mi (6,222.57 km) |
| Gaithersburg to Kinrooi | 3,907.31 mi (6,288.21 km) |
| Gaithersburg to Knokke-Heist | 3,803.78 mi (6,121.59 km) |
| Gaithersburg to Koekelare | 3,797.61 mi (6,111.66 km) |
| Gaithersburg to Koekelberg | 3,858.04 mi (6,208.92 km) |
| Gaithersburg to Koksijde | 3,783.99 mi (6,089.74 km) |
| Gaithersburg to Kontich | 3,855.86 mi (6,205.41 km) |
| Gaithersburg to Kortemark | 3,801.75 mi (6,118.32 km) |
