| Backnang to Columbia (Illinois) | 4,663.18 mi (7,504.66 km) |
| Backnang to Columbia (Maryland) | 4,101.80 mi (6,601.21 km) |
| Backnang to Columbia (Missouri) | 4,718.22 mi (7,593.25 km) |
| Backnang to Columbia (Pennsylvania) | 4,049.81 mi (6,517.53 km) |
| Backnang to Columbia (South Carolina) | 4,507.19 mi (7,253.62 km) |
| Backnang to Columbia (Tennessee) | 4,679.61 mi (7,531.10 km) |
| Backnang to Columbia Heights (Minnesota) | 4,450.68 mi (7,162.68 km) |
| Backnang to Columbine (Colorado) | 5,133.37 mi (8,261.35 km) |
| Backnang to Columbus (Georgia) | 4,744.87 mi (7,636.12 km) |
| Backnang to Columbus (Indiana) | 4,461.98 mi (7,180.86 km) |
| Backnang to Columbus (Mississippi) | 4,838.26 mi (7,786.43 km) |
| Backnang to Columbus (Nebraska) | 4,773.88 mi (7,682.81 km) |
| Backnang to Columbus (Ohio) | 4,311.09 mi (6,938.03 km) |
| Backnang to Commack (New York) | 3,883.56 mi (6,249.99 km) |
| Backnang to Commerce (California) | 5,863.42 mi (9,436.27 km) |
