| Langenfeld to Kaneohe (Hawaii) | 7,340.71 mi (11,813.73 km) |
| Langenfeld to Kankakee (Illinois) | 4,272.26 mi (6,875.54 km) |
| Langenfeld to Kannapolis (North Carolina) | 4,266.77 mi (6,866.70 km) |
| Langenfeld to Kansas City (Kansas) | 4,621.75 mi (7,437.99 km) |
| Langenfeld to Kansas City (Missouri) | 4,614.92 mi (7,426.99 km) |
| Langenfeld to Kapaa (Hawaii) | 7,310.40 mi (11,764.95 km) |
| Langenfeld to Kapolei (Hawaii) | 7,348.27 mi (11,825.90 km) |
| Langenfeld to Katy (Texas) | 5,151.77 mi (8,290.97 km) |
| Langenfeld to Kaukauna (Wisconsin) | 4,133.70 mi (6,652.55 km) |
| Langenfeld to Kaysville (Utah) | 5,086.00 mi (8,185.12 km) |
| Langenfeld to Kearney (Missouri) | 4,596.10 mi (7,396.70 km) |
| Langenfeld to Kearney (Nebraska) | 4,691.62 mi (7,550.44 km) |
| Langenfeld to Kearns (Utah) | 5,109.28 mi (8,222.59 km) |
| Langenfeld to Kearny (New Jersey) | 3,759.43 mi (6,050.22 km) |
| Langenfeld to Keene (New Hampshire) | 3,590.71 mi (5,778.69 km) |
