| Backnang to Coin | 1,108.27 mi (1,783.58 km) |
| Backnang to Colindres | 724.34 mi (1,165.70 km) |
| Backnang to Collado-Villalba | 871.87 mi (1,403.14 km) |
| Backnang to Colmenar Viejo | 861.75 mi (1,386.85 km) |
| Backnang to Colmenarejo | 875.78 mi (1,409.42 km) |
| Backnang to Conil de la Frontera | 1,174.39 mi (1,890.00 km) |
| Backnang to Consuegra | 917.53 mi (1,476.62 km) |
| Backnang to Corbera de Llobregat | 634.95 mi (1,021.85 km) |
| Backnang to Cordoba | 1,041.98 mi (1,676.91 km) |
| Backnang to Coria del Rio | 1,117.87 mi (1,799.03 km) |
| Backnang to Crevillente | 897.59 mi (1,444.54 km) |
| Backnang to Cuarte de Huerva | 714.32 mi (1,149.59 km) |
| Backnang to Cubellas | 654.20 mi (1,052.83 km) |
| Backnang to Cuellar | 846.33 mi (1,362.03 km) |
| Backnang to Cuenca | 836.03 mi (1,345.47 km) |
