| Langenfeld to Kinston (North Carolina) | 4,153.52 mi (6,684.44 km) |
| Langenfeld to Kirkland (Washington) | 4,975.03 mi (8,006.53 km) |
| Langenfeld to Kirksville (Missouri) | 4,489.04 mi (7,224.40 km) |
| Langenfeld to Kirkwood (Missouri) | 4,491.73 mi (7,228.73 km) |
| Langenfeld to Kiryas Joel (New York) | 3,735.07 mi (6,011.01 km) |
| Langenfeld to Kissimmee (Florida) | 4,654.54 mi (7,490.76 km) |
| Langenfeld to Klamath Falls (Oregon) | 5,290.49 mi (8,514.22 km) |
| Langenfeld to Knightdale (North Carolina) | 4,165.35 mi (6,703.49 km) |
| Langenfeld to Knik-Fairview (Alaska) | 4,548.71 mi (7,320.44 km) |
| Langenfeld to Knoxville (Tennessee) | 4,373.99 mi (7,039.26 km) |
| Langenfeld to Kokomo (Indiana) | 4,238.53 mi (6,821.26 km) |
| Langenfeld to Kuna (Idaho) | 5,072.71 mi (8,163.73 km) |
| Langenfeld to Kyle (Texas) | 5,218.38 mi (8,398.17 km) |
| Langenfeld to La Cañada Flintridge (California) | 5,667.24 mi (9,120.54 km) |
| Langenfeld to La Crescenta-Montrose (California) | 5,666.95 mi (9,120.07 km) |
