| Backnang to Kenosha (Wisconsin) | 4,375.95 mi (7,042.41 km) |
| Backnang to Kent (Ohio) | 4,193.99 mi (6,749.57 km) |
| Backnang to Kent (Washington) | 5,179.11 mi (8,334.97 km) |
| Backnang to Kentwood (Michigan) | 4,276.70 mi (6,882.69 km) |
| Backnang to Kerman (California) | 5,757.59 mi (9,265.94 km) |
| Backnang to Kernersville (North Carolina) | 4,375.58 mi (7,041.82 km) |
| Backnang to Kerrville (Texas) | 5,435.37 mi (8,747.38 km) |
| Backnang to Kettering (Maryland) | 4,112.90 mi (6,619.08 km) |
| Backnang to Kettering (Ohio) | 4,370.18 mi (7,033.12 km) |
| Backnang to Kewanee (Illinois) | 4,516.37 mi (7,268.40 km) |
| Backnang to Key Biscayne (Florida) | 4,882.50 mi (7,857.63 km) |
| Backnang to Key Largo (Florida) | 4,921.44 mi (7,920.30 km) |
| Backnang to Key West (Florida) | 5,008.49 mi (8,060.38 km) |
| Backnang to Keystone (Florida) | 4,865.94 mi (7,830.98 km) |
| Backnang to Kihei (Hawaii) | 7,542.11 mi (12,137.85 km) |
