| Backnang to Camas (Washington) | 5,290.94 mi (8,514.95 km) |
| Backnang to Cambridge (Maryland) | 4,098.90 mi (6,596.54 km) |
| Backnang to Cambridge (Massachusetts) | 3,730.37 mi (6,003.45 km) |
| Backnang to Camden (Arkansas) | 5,009.77 mi (8,062.45 km) |
| Backnang to Camden (New Jersey) | 3,997.63 mi (6,433.56 km) |
| Backnang to Cameron Park (California) | 5,667.22 mi (9,120.51 km) |
| Backnang to Camp Pendleton South (California) | 5,885.38 mi (9,471.61 km) |
| Backnang to Camp Springs (Maryland) | 4,122.01 mi (6,633.74 km) |
| Backnang to Camp Verde (Arizona) | 5,634.26 mi (9,067.47 km) |
| Backnang to Campbell (California) | 5,776.93 mi (9,297.07 km) |
| Backnang to Campbellsville (Kentucky) | 4,529.00 mi (7,288.72 km) |
| Backnang to Campton Hills (Illinois) | 4,426.21 mi (7,123.30 km) |
| Backnang to Canby (Oregon) | 5,317.22 mi (8,557.23 km) |
| Backnang to Candelaria (Puerto Rico) | 4,621.42 mi (7,437.45 km) |
| Backnang to Candler-McAfee (Georgia) | 4,660.64 mi (7,500.57 km) |
