| Highlands Ranch to Cordele (Georgia) | 1,295.09 mi (2,084.25 km) |
| Highlands Ranch to Corinth (Mississippi) | 957.49 mi (1,540.93 km) |
| Highlands Ranch to Corinth (Texas) | 623.09 mi (1,002.77 km) |
| Highlands Ranch to Cornelius (North Carolina) | 1,345.64 mi (2,165.60 km) |
| Highlands Ranch to Cornelius (Oregon) | 1,006.01 mi (1,619.02 km) |
| Highlands Ranch to Corning (New York) | 1,463.51 mi (2,355.28 km) |
| Highlands Ranch to Corona (California) | 799.38 mi (1,286.47 km) |
| Highlands Ranch to Coronado (California) | 828.71 mi (1,333.69 km) |
| Highlands Ranch to Corpus Christi (Texas) | 925.07 mi (1,488.76 km) |
| Highlands Ranch to Corsicana (Texas) | 701.23 mi (1,128.52 km) |
| Highlands Ranch to Cortland (New York) | 1,507.17 mi (2,425.56 km) |
| Highlands Ranch to Corvallis (Oregon) | 998.70 mi (1,607.26 km) |
| Highlands Ranch to Coshocton (Ohio) | 1,223.15 mi (1,968.47 km) |
| Highlands Ranch to Costa Mesa (California) | 823.50 mi (1,325.30 km) |
| Highlands Ranch to Coto de Caza (California) | 810.53 mi (1,304.43 km) |
