| Castle Pines to Coudekerque-Branche | 4,802.82 mi (7,729.39 km) |
| Castle Pines to Coueron | 4,814.80 mi (7,748.67 km) |
| Castle Pines to Coulommiers | 4,922.15 mi (7,921.44 km) |
| Castle Pines to Courbevoic | 4,889.19 mi (7,868.40 km) |
| Castle Pines to Courcouronnes | 4,907.29 mi (7,897.52 km) |
| Castle Pines to Cournon-d'Auvergne | 5,061.49 mi (8,145.68 km) |
| Castle Pines to Courrieres | 4,846.18 mi (7,799.17 km) |
| Castle Pines to Coutras | 4,966.78 mi (7,993.27 km) |
| Castle Pines to Couzeix | 4,982.71 mi (8,018.90 km) |
| Castle Pines to Cran-Gevrier | 5,160.16 mi (8,304.47 km) |
| Castle Pines to Craponne | 5,117.38 mi (8,235.63 km) |
| Castle Pines to Creil | 4,881.78 mi (7,856.47 km) |
| Castle Pines to Crepy-en-Valois | 4,897.03 mi (7,881.01 km) |
| Castle Pines to Crest | 5,174.50 mi (8,327.55 km) |
| Castle Pines to Creteil | 4,901.24 mi (7,887.79 km) |
