| Backnang to Cognac | 508.80 mi (818.84 km) |
| Backnang to Cogolin | 417.15 mi (671.34 km) |
| Backnang to Colmar | 112.20 mi (180.56 km) |
| Backnang to Colombes | 325.70 mi (524.16 km) |
| Backnang to Colomiers | 533.43 mi (858.47 km) |
| Backnang to Combs-la-Ville | 313.11 mi (503.91 km) |
| Backnang to Comines | 312.25 mi (502.51 km) |
| Backnang to Compiegne | 300.08 mi (482.93 km) |
| Backnang to Concarneau | 615.89 mi (991.18 km) |
| Backnang to Conde-sur-l'Escaut | 280.79 mi (451.89 km) |
| Backnang to Conflans-Sainte-Honorine | 332.44 mi (535.01 km) |
| Backnang to Corbas | 310.25 mi (499.30 km) |
| Backnang to Corbeil-Essonnes | 317.08 mi (510.30 km) |
| Backnang to Cormeilles-en-Parisis | 327.84 mi (527.60 km) |
| Backnang to Cosne sur Loire | 317.84 mi (511.51 km) |
