| Highlands Ranch to Castle Pines (Colorado) | 7.66 mi (12.32 km) |
| Highlands Ranch to Castle Rock (Colorado) | 13.04 mi (20.99 km) |
| Highlands Ranch to Castro Valley (California) | 929.81 mi (1,496.38 km) |
| Highlands Ranch to Catalina Foothills (Arizona) | 599.25 mi (964.40 km) |
| Highlands Ranch to Cataño (Puerto Rico) | 2,731.33 mi (4,395.64 km) |
| Highlands Ranch to Cathedral City (California) | 748.02 mi (1,203.83 km) |
| Highlands Ranch to Catonsville (Maryland) | 1,500.96 mi (2,415.56 km) |
| Highlands Ranch to Cave Spring (Virginia) | 1,357.07 mi (2,184.00 km) |
| Highlands Ranch to Cayce (South Carolina) | 1,375.35 mi (2,213.42 km) |
| Highlands Ranch to Cayey (Puerto Rico) | 2,744.92 mi (4,417.52 km) |
| Highlands Ranch to Cedar City (Utah) | 456.86 mi (735.25 km) |
| Highlands Ranch to Cedar Falls (Iowa) | 683.32 mi (1,099.69 km) |
| Highlands Ranch to Cedar Hill (Texas) | 656.36 mi (1,056.31 km) |
| Highlands Ranch to Cedar Lake (Indiana) | 928.69 mi (1,494.59 km) |
| Highlands Ranch to Cedar Mill (Oregon) | 994.85 mi (1,601.05 km) |
