| Backnang to Coudekerque-Branche | 343.93 mi (553.50 km) |
| Backnang to Coueron | 528.02 mi (849.76 km) |
| Backnang to Coulommiers | 288.45 mi (464.21 km) |
| Backnang to Courbevoic | 325.76 mi (524.25 km) |
| Backnang to Courcouronnes | 319.39 mi (514.01 km) |
| Backnang to Cournon-d'Auvergne | 366.10 mi (589.19 km) |
| Backnang to Courrieres | 307.85 mi (495.44 km) |
| Backnang to Coutras | 524.58 mi (844.22 km) |
| Backnang to Couzeix | 437.52 mi (704.12 km) |
| Backnang to Cran-Gevrier | 261.44 mi (420.75 km) |
| Backnang to Craponne | 312.11 mi (502.29 km) |
| Backnang to Creil | 314.89 mi (506.77 km) |
| Backnang to Crepy-en-Valois | 296.63 mi (477.38 km) |
| Backnang to Crest | 358.13 mi (576.35 km) |
| Backnang to Creteil | 316.75 mi (509.76 km) |
