| Highlands Ranch to Carlsbad (California) | 815.07 mi (1,311.73 km) |
| Highlands Ranch to Carlsbad (New Mexico) | 495.08 mi (796.75 km) |
| Highlands Ranch to Carmel (Indiana) | 998.53 mi (1,606.98 km) |
| Highlands Ranch to Carmichael (California) | 878.18 mi (1,413.29 km) |
| Highlands Ranch to Carney (Maryland) | 1,510.87 mi (2,431.50 km) |
| Highlands Ranch to Carnot-Moon (Pennsylvania) | 1,307.00 mi (2,103.41 km) |
| Highlands Ranch to Carol Stream (Illinois) | 895.34 mi (1,440.91 km) |
| Highlands Ranch to Carolina (Puerto Rico) | 2,740.98 mi (4,411.18 km) |
| Highlands Ranch to Carolina Forest (South Carolina) | 1,492.63 mi (2,402.16 km) |
| Highlands Ranch to Carpentersville (Illinois) | 888.57 mi (1,430.02 km) |
| Highlands Ranch to Carpinteria (California) | 876.53 mi (1,410.65 km) |
| Highlands Ranch to Carrboro (North Carolina) | 1,431.09 mi (2,303.12 km) |
| Highlands Ranch to Carroll (Iowa) | 556.24 mi (895.19 km) |
| Highlands Ranch to Carrollton (Georgia) | 1,174.89 mi (1,890.81 km) |
| Highlands Ranch to Carrollton (Texas) | 637.54 mi (1,026.02 km) |
