| Backnang to Kaneohe (Hawaii) | 7,512.42 mi (12,090.07 km) |
| Backnang to Kankakee (Illinois) | 4,446.02 mi (7,155.18 km) |
| Backnang to Kannapolis (North Carolina) | 4,428.07 mi (7,126.29 km) |
| Backnang to Kansas City (Kansas) | 4,798.38 mi (7,722.25 km) |
| Backnang to Kansas City (Missouri) | 4,791.43 mi (7,711.06 km) |
| Backnang to Kapaa (Hawaii) | 7,480.02 mi (12,037.94 km) |
| Backnang to Kapolei (Hawaii) | 7,519.65 mi (12,101.71 km) |
| Backnang to Katy (Texas) | 5,321.67 mi (8,564.41 km) |
| Backnang to Kaukauna (Wisconsin) | 4,310.52 mi (6,937.11 km) |
| Backnang to Kaysville (Utah) | 5,270.91 mi (8,482.71 km) |
| Backnang to Kearney (Missouri) | 4,772.66 mi (7,680.85 km) |
| Backnang to Kearney (Nebraska) | 4,871.73 mi (7,840.29 km) |
| Backnang to Kearns (Utah) | 5,294.12 mi (8,520.07 km) |
| Backnang to Kearny (New Jersey) | 3,921.70 mi (6,311.37 km) |
| Backnang to Keene (New Hampshire) | 3,754.66 mi (6,042.54 km) |
