| Backnang to Carlsbad (New Mexico) | 5,496.04 mi (8,845.03 km) |
| Backnang to Carmel (Indiana) | 4,434.81 mi (7,137.13 km) |
| Backnang to Carmichael (California) | 5,678.94 mi (9,139.37 km) |
| Backnang to Carney (Maryland) | 4,078.98 mi (6,564.48 km) |
| Backnang to Carnot-Moon (Pennsylvania) | 4,177.54 mi (6,723.10 km) |
| Backnang to Carol Stream (Illinois) | 4,417.08 mi (7,108.61 km) |
| Backnang to Carolina (Puerto Rico) | 4,610.55 mi (7,419.96 km) |
| Backnang to Carolina Forest (South Carolina) | 4,437.24 mi (7,141.06 km) |
| Backnang to Carpentersville (Illinois) | 4,413.26 mi (7,102.45 km) |
| Backnang to Carpinteria (California) | 5,880.01 mi (9,462.96 km) |
| Backnang to Carrboro (North Carolina) | 4,343.02 mi (6,989.42 km) |
| Backnang to Carroll (Iowa) | 4,654.34 mi (7,490.43 km) |
| Backnang to Carrollton (Georgia) | 4,700.74 mi (7,565.12 km) |
| Backnang to Carrollton (Texas) | 5,194.80 mi (8,360.22 km) |
| Backnang to Carrollwood (Florida) | 4,865.97 mi (7,831.03 km) |
