| Backnang to Cicero (Illinois) | 4,406.72 mi (7,091.93 km) |
| Backnang to Cimarron Hills (Colorado) | 5,160.50 mi (8,305.02 km) |
| Backnang to Cincinnati (Ohio) | 4,410.20 mi (7,097.54 km) |
| Backnang to Cinco Ranch (Texas) | 5,321.44 mi (8,564.03 km) |
| Backnang to Circleville (Ohio) | 4,326.71 mi (6,963.16 km) |
| Backnang to Citrus (California) | 5,848.50 mi (9,412.25 km) |
| Backnang to Citrus Heights (California) | 5,674.14 mi (9,131.64 km) |
| Backnang to Citrus Park (Florida) | 4,867.25 mi (7,833.09 km) |
| Backnang to Claiborne (Louisiana) | 5,037.10 mi (8,106.43 km) |
| Backnang to Claremont (California) | 5,842.70 mi (9,402.91 km) |
| Backnang to Claremont (New Hampshire) | 3,738.39 mi (6,016.36 km) |
| Backnang to Claremore (Oklahoma) | 4,973.69 mi (8,004.39 km) |
| Backnang to Clarksburg (Maryland) | 4,117.29 mi (6,626.14 km) |
| Backnang to Clarksburg (West Virginia) | 4,237.90 mi (6,820.24 km) |
| Backnang to Clarksdale (Mississippi) | 4,889.32 mi (7,868.60 km) |
