| Highlands Ranch to Cadillac (Michigan) | 1,053.97 mi (1,696.21 km) |
| Highlands Ranch to Caguas (Puerto Rico) | 2,745.81 mi (4,418.96 km) |
| Highlands Ranch to Cahokia (Illinois) | 795.60 mi (1,280.39 km) |
| Highlands Ranch to Calabasas (California) | 843.24 mi (1,357.06 km) |
| Highlands Ranch to Caldwell (Idaho) | 666.41 mi (1,072.48 km) |
| Highlands Ranch to Caledonia (Wisconsin) | 915.36 mi (1,473.12 km) |
| Highlands Ranch to Calera (Alabama) | 1,104.44 mi (1,777.42 km) |
| Highlands Ranch to Calexico (California) | 753.72 mi (1,212.99 km) |
| Highlands Ranch to Calhoun (Georgia) | 1,156.05 mi (1,860.48 km) |
| Highlands Ranch to California (Maryland) | 1,526.80 mi (2,457.15 km) |
| Highlands Ranch to California City (California) | 769.69 mi (1,238.70 km) |
| Highlands Ranch to Callaway (Florida) | 1,274.38 mi (2,050.92 km) |
| Highlands Ranch to Calumet City (Illinois) | 923.68 mi (1,486.53 km) |
| Highlands Ranch to Calverton (Maryland) | 1,492.55 mi (2,402.03 km) |
| Highlands Ranch to Camano (Washington) | 1,052.82 mi (1,694.35 km) |
