| Backnang to Cloverly (Maryland) | 4,111.74 mi (6,617.21 km) |
| Backnang to Clovis (California) | 5,740.72 mi (9,238.80 km) |
| Backnang to Clovis (New Mexico) | 5,348.04 mi (8,606.84 km) |
| Backnang to Clute (Texas) | 5,344.68 mi (8,601.43 km) |
| Backnang to Coachella (California) | 5,820.27 mi (9,366.81 km) |
| Backnang to Coalinga (California) | 5,799.65 mi (9,333.64 km) |
| Backnang to Coamo (Puerto Rico) | 4,644.42 mi (7,474.46 km) |
| Backnang to Coatesville (Pennsylvania) | 4,024.58 mi (6,476.93 km) |
| Backnang to Cockeysville (Maryland) | 4,079.93 mi (6,566.02 km) |
| Backnang to Cocoa (Florida) | 4,775.53 mi (7,685.47 km) |
| Backnang to Cocoa Beach (Florida) | 4,771.96 mi (7,679.73 km) |
| Backnang to Coconut Creek (Florida) | 4,854.11 mi (7,811.93 km) |
| Backnang to Coeur d'Alene (Idaho) | 5,026.28 mi (8,089.02 km) |
| Backnang to Cohoes (New York) | 3,818.82 mi (6,145.80 km) |
| Backnang to Cold Springs (Nevada) | 5,579.09 mi (8,978.68 km) |
