| Backnang to Culpeper (Virginia) | 4,181.25 mi (6,729.07 km) |
| Backnang to Culver City (California) | 5,870.18 mi (9,447.14 km) |
| Backnang to Cumberland (Maryland) | 4,158.47 mi (6,692.41 km) |
| Backnang to Cupertino (California) | 5,777.26 mi (9,297.60 km) |
| Backnang to Cutler Bay (Florida) | 4,895.55 mi (7,878.63 km) |
| Backnang to Cutlerville (Michigan) | 4,281.82 mi (6,890.92 km) |
| Backnang to Cuyahoga Falls (Ohio) | 4,199.55 mi (6,758.53 km) |
| Backnang to Cypress (California) | 5,870.58 mi (9,447.78 km) |
| Backnang to Cypress Gardens (Florida) | 4,833.37 mi (7,778.55 km) |
| Backnang to Cypress Lake (Florida) | 4,915.14 mi (7,910.15 km) |
| Backnang to D'Iberville (Mississippi) | 5,010.62 mi (8,063.82 km) |
| Backnang to Dakota Ridge (Colorado) | 5,133.82 mi (8,262.08 km) |
| Backnang to Dale City (Virginia) | 4,146.54 mi (6,673.21 km) |
| Backnang to Dallas (Georgia) | 4,674.62 mi (7,523.07 km) |
| Backnang to Dallas (Oregon) | 5,352.97 mi (8,614.78 km) |
