| Highlands Ranch to Coudekerque-Branche | 4,802.03 mi (7,728.12 km) |
| Highlands Ranch to Coueron | 4,814.67 mi (7,748.47 km) |
| Highlands Ranch to Coulommiers | 4,921.57 mi (7,920.50 km) |
| Highlands Ranch to Courbevoic | 4,888.65 mi (7,867.52 km) |
| Highlands Ranch to Courcouronnes | 4,906.77 mi (7,896.68 km) |
| Highlands Ranch to Cournon-d'Auvergne | 5,061.23 mi (8,145.27 km) |
| Highlands Ranch to Courrieres | 4,845.42 mi (7,797.96 km) |
| Highlands Ranch to Coutras | 4,966.81 mi (7,993.31 km) |
| Highlands Ranch to Couzeix | 4,982.56 mi (8,018.65 km) |
| Highlands Ranch to Cran-Gevrier | 5,159.70 mi (8,303.74 km) |
| Highlands Ranch to Craponne | 5,117.03 mi (8,235.07 km) |
| Highlands Ranch to Creil | 4,881.19 mi (7,855.51 km) |
| Highlands Ranch to Crepy-en-Valois | 4,896.41 mi (7,880.02 km) |
| Highlands Ranch to Crest | 5,174.23 mi (8,327.12 km) |
| Highlands Ranch to Creteil | 4,900.70 mi (7,886.92 km) |
