| Highlands Ranch to Cognac | 4,931.18 mi (7,935.97 km) |
| Highlands Ranch to Cogolin | 5,298.12 mi (8,526.50 km) |
| Highlands Ranch to Colmar | 5,103.12 mi (8,212.67 km) |
| Highlands Ranch to Colombes | 4,887.50 mi (7,865.68 km) |
| Highlands Ranch to Colomiers | 5,085.11 mi (8,183.69 km) |
| Highlands Ranch to Combs-la-Ville | 4,909.40 mi (7,900.92 km) |
| Highlands Ranch to Comines | 4,834.41 mi (7,780.23 km) |
| Highlands Ranch to Compiegne | 4,886.32 mi (7,863.77 km) |
| Highlands Ranch to Concarneau | 4,705.06 mi (7,572.06 km) |
| Highlands Ranch to Conde-sur-l'Escaut | 4,867.83 mi (7,834.02 km) |
| Highlands Ranch to Conflans-Sainte-Honorine | 4,878.79 mi (7,851.65 km) |
| Highlands Ranch to Corbas | 5,127.03 mi (8,251.16 km) |
| Highlands Ranch to Corbeil-Essonnes | 4,909.07 mi (7,900.39 km) |
| Highlands Ranch to Cormeilles-en-Parisis | 4,883.53 mi (7,859.29 km) |
| Highlands Ranch to Cosne sur Loire | 4,977.53 mi (8,010.56 km) |
