| Highlands Ranch to Conyers (Georgia) | 1,228.73 mi (1,977.45 km) |
| Highlands Ranch to Cookeville (Tennessee) | 1,085.02 mi (1,746.17 km) |
| Highlands Ranch to Coolidge (Arizona) | 584.20 mi (940.18 km) |
| Highlands Ranch to Coon Rapids (Minnesota) | 710.24 mi (1,143.02 km) |
| Highlands Ranch to Cooper City (Florida) | 1,701.21 mi (2,737.84 km) |
| Highlands Ranch to Coos Bay (Oregon) | 1,029.41 mi (1,656.68 km) |
| Highlands Ranch to Copiague (New York) | 1,661.64 mi (2,674.15 km) |
| Highlands Ranch to Coppell (Texas) | 635.30 mi (1,022.42 km) |
| Highlands Ranch to Copperas Cove (Texas) | 704.35 mi (1,133.55 km) |
| Highlands Ranch to Coral Gables (Florida) | 1,717.02 mi (2,763.28 km) |
| Highlands Ranch to Coral Springs (Florida) | 1,692.74 mi (2,724.21 km) |
| Highlands Ranch to Coral Terrace (Florida) | 1,713.54 mi (2,757.67 km) |
| Highlands Ranch to Coralville (Iowa) | 716.27 mi (1,152.72 km) |
| Highlands Ranch to Coram (New York) | 1,679.76 mi (2,703.32 km) |
| Highlands Ranch to Corcoran (California) | 830.38 mi (1,336.37 km) |
