| Gaithersburg to Jozefow | 4,466.14 mi (7,187.56 km) |
| Gaithersburg to Kalisz | 4,364.35 mi (7,023.74 km) |
| Gaithersburg to Kamien Pomorski | 4,170.22 mi (6,711.32 km) |
| Gaithersburg to Kamienna Gora | 4,320.72 mi (6,953.53 km) |
| Gaithersburg to Karczew | 4,468.57 mi (7,191.46 km) |
| Gaithersburg to Kartuzy | 4,281.01 mi (6,889.62 km) |
| Gaithersburg to Katowice | 4,451.90 mi (7,164.64 km) |
| Gaithersburg to Kedzierzyn-Kozle | 4,418.05 mi (7,110.16 km) |
| Gaithersburg to Kepno | 4,377.20 mi (7,044.42 km) |
| Gaithersburg to Ketrzyn | 4,400.97 mi (7,082.68 km) |
| Gaithersburg to Kety | 4,472.67 mi (7,198.07 km) |
| Gaithersburg to Kielce | 4,490.28 mi (7,226.41 km) |
| Gaithersburg to Kielczow | 4,351.94 mi (7,003.77 km) |
| Gaithersburg to Klobuck | 4,425.57 mi (7,122.26 km) |
| Gaithersburg to Klodzko | 4,356.16 mi (7,010.57 km) |
