| Highlands Ranch to Cibolo (Texas) | 788.88 mi (1,269.57 km) |
| Highlands Ranch to Cicero (Illinois) | 913.97 mi (1,470.90 km) |
| Highlands Ranch to Cimarron Hills (Colorado) | 49.32 mi (79.38 km) |
| Highlands Ranch to Cincinnati (Ohio) | 1,091.54 mi (1,756.66 km) |
| Highlands Ranch to Cinco Ranch (Texas) | 854.98 mi (1,375.96 km) |
| Highlands Ranch to Circleville (Ohio) | 1,170.70 mi (1,884.06 km) |
| Highlands Ranch to Citrus (California) | 805.71 mi (1,296.66 km) |
| Highlands Ranch to Citrus Heights (California) | 875.45 mi (1,408.90 km) |
| Highlands Ranch to Citrus Park (Florida) | 1,504.43 mi (2,421.14 km) |
| Highlands Ranch to Claiborne (Louisiana) | 860.84 mi (1,385.38 km) |
| Highlands Ranch to Claremont (California) | 796.88 mi (1,282.45 km) |
| Highlands Ranch to Claremont (New Hampshire) | 1,699.34 mi (2,734.82 km) |
| Highlands Ranch to Claremore (Oklahoma) | 556.42 mi (895.47 km) |
| Highlands Ranch to Clarksburg (Maryland) | 1,473.82 mi (2,371.88 km) |
| Highlands Ranch to Clarksburg (West Virginia) | 1,311.67 mi (2,110.93 km) |
