| Opelika to Coudekerque-Branche | 4,414.05 mi (7,103.72 km) |
| Opelika to Coueron | 4,329.35 mi (6,967.42 km) |
| Opelika to Coulommiers | 4,497.93 mi (7,238.72 km) |
| Opelika to Courbevoic | 4,460.74 mi (7,178.86 km) |
| Opelika to Courcouronnes | 4,475.13 mi (7,202.03 km) |
| Opelika to Cournon-d'Auvergne | 4,584.40 mi (7,377.87 km) |
| Opelika to Courrieres | 4,450.66 mi (7,162.64 km) |
| Opelika to Coutras | 4,453.68 mi (7,167.51 km) |
| Opelika to Couzeix | 4,493.78 mi (7,232.03 km) |
| Opelika to Cran-Gevrier | 4,707.61 mi (7,576.16 km) |
| Opelika to Craponne | 4,651.68 mi (7,486.16 km) |
| Opelika to Creil | 4,461.38 mi (7,179.90 km) |
| Opelika to Crepy-en-Valois | 4,478.95 mi (7,208.18 km) |
| Opelika to Crest | 4,694.00 mi (7,554.26 km) |
| Opelika to Creteil | 4,472.31 mi (7,197.48 km) |
