| Gaithersburg to Kelkheim (Taunus) | 4,044.01 mi (6,508.20 km) |
| Gaithersburg to Kelsterbach | 4,049.50 mi (6,517.04 km) |
| Gaithersburg to Kemberg | 4,158.56 mi (6,692.56 km) |
| Gaithersburg to Kempen | 3,928.46 mi (6,322.24 km) |
| Gaithersburg to Kempten | 4,193.22 mi (6,748.34 km) |
| Gaithersburg to Kenzingen | 4,073.56 mi (6,555.75 km) |
| Gaithersburg to Kerpen | 3,952.93 mi (6,361.63 km) |
| Gaithersburg to Ketsch | 4,070.08 mi (6,550.16 km) |
| Gaithersburg to Kevelaer | 3,915.90 mi (6,302.03 km) |
| Gaithersburg to Kiel | 3,990.26 mi (6,421.71 km) |
| Gaithersburg to Kierspe | 3,980.37 mi (6,405.79 km) |
| Gaithersburg to Kirchhain | 4,042.90 mi (6,506.42 km) |
| Gaithersburg to Kirchheim bei Munchen | 4,238.05 mi (6,820.48 km) |
| Gaithersburg to Kirchheim unter Teck | 4,129.13 mi (6,645.18 km) |
| Gaithersburg to Kirchhundem | 4,001.78 mi (6,440.24 km) |
