| Backnang to Clermont (Florida) | 4,808.76 mi (7,738.94 km) |
| Backnang to Cleveland (Mississippi) | 4,918.20 mi (7,915.09 km) |
| Backnang to Cleveland (Ohio) | 4,191.59 mi (6,745.72 km) |
| Backnang to Cleveland (Tennessee) | 4,614.20 mi (7,425.84 km) |
| Backnang to Cleveland Heights (Ohio) | 4,185.45 mi (6,735.83 km) |
| Backnang to Cliffside Park (New Jersey) | 3,913.31 mi (6,297.86 km) |
| Backnang to Clifton (Colorado) | 5,271.79 mi (8,484.13 km) |
| Backnang to Clifton (New Jersey) | 3,918.47 mi (6,306.16 km) |
| Backnang to Clinton (Iowa) | 4,498.76 mi (7,240.05 km) |
| Backnang to Clinton (Maryland) | 4,123.94 mi (6,636.85 km) |
| Backnang to Clinton (Mississippi) | 4,973.13 mi (8,003.49 km) |
| Backnang to Clinton (Utah) | 5,268.28 mi (8,478.47 km) |
| Backnang to Clive (Iowa) | 4,639.07 mi (7,465.87 km) |
| Backnang to Cloquet (Minnesota) | 4,343.98 mi (6,990.96 km) |
| Backnang to Cloverleaf (Texas) | 5,295.89 mi (8,522.91 km) |
