| Hardenberg to Coudekerque-Branche | 209.56 mi (337.26 km) |
| Hardenberg to Coueron | 523.29 mi (842.15 km) |
| Hardenberg to Coulommiers | 301.72 mi (485.57 km) |
| Hardenberg to Courbevoic | 317.17 mi (510.44 km) |
| Hardenberg to Courcouronnes | 328.42 mi (528.54 km) |
| Hardenberg to Cournon-d'Auvergne | 496.05 mi (798.32 km) |
| Hardenberg to Courrieres | 214.71 mi (345.55 km) |
| Hardenberg to Coutras | 603.24 mi (970.82 km) |
| Hardenberg to Couzeix | 521.77 mi (839.70 km) |
| Hardenberg to Cran-Gevrier | 460.95 mi (741.83 km) |
| Hardenberg to Craponne | 478.97 mi (770.83 km) |
| Hardenberg to Creil | 290.89 mi (468.15 km) |
| Hardenberg to Crepy-en-Valois | 281.73 mi (453.39 km) |
| Hardenberg to Crest | 546.41 mi (879.37 km) |
| Hardenberg to Creteil | 317.89 mi (511.59 km) |
