| Greenbelt to Kelkheim (Taunus) | 4,037.33 mi (6,497.45 km) |
| Greenbelt to Kelsterbach | 4,042.80 mi (6,506.26 km) |
| Greenbelt to Kemberg | 4,152.89 mi (6,683.42 km) |
| Greenbelt to Kempen | 3,922.01 mi (6,311.86 km) |
| Greenbelt to Kempten | 4,185.93 mi (6,736.60 km) |
| Greenbelt to Kenzingen | 4,066.13 mi (6,543.81 km) |
| Greenbelt to Kerpen | 3,946.34 mi (6,351.02 km) |
| Greenbelt to Ketsch | 4,063.14 mi (6,538.99 km) |
| Greenbelt to Kevelaer | 3,909.52 mi (6,291.76 km) |
| Greenbelt to Kiel | 3,985.24 mi (6,413.63 km) |
| Greenbelt to Kierspe | 3,973.95 mi (6,395.46 km) |
| Greenbelt to Kirchhain | 4,036.50 mi (6,496.12 km) |
| Greenbelt to Kirchheim bei Munchen | 4,231.07 mi (6,809.24 km) |
| Greenbelt to Kirchheim unter Teck | 4,122.04 mi (6,633.78 km) |
| Greenbelt to Kirchhundem | 3,995.40 mi (6,429.97 km) |
