| Ridge to Cibolo (Texas) | 1,621.66 mi (2,609.81 km) |
| Ridge to Cicero (Illinois) | 773.11 mi (1,244.19 km) |
| Ridge to Cimarron Hills (Colorado) | 1,683.56 mi (2,709.43 km) |
| Ridge to Cincinnati (Ohio) | 626.52 mi (1,008.29 km) |
| Ridge to Cinco Ranch (Texas) | 1,496.05 mi (2,407.66 km) |
| Ridge to Circleville (Ohio) | 537.27 mi (864.65 km) |
| Ridge to Citrus (California) | 2,483.02 mi (3,996.04 km) |
| Ridge to Citrus Heights (California) | 2,541.09 mi (4,089.49 km) |
| Ridge to Citrus Park (Florida) | 1,042.56 mi (1,677.85 km) |
| Ridge to Claiborne (Louisiana) | 1,212.20 mi (1,950.84 km) |
| Ridge to Claremont (California) | 2,473.68 mi (3,981.01 km) |
| Ridge to Claremont (New Hampshire) | 173.08 mi (278.54 km) |
| Ridge to Claremore (Oklahoma) | 1,263.44 mi (2,033.31 km) |
| Ridge to Clarksburg (Maryland) | 259.29 mi (417.29 km) |
| Ridge to Clarksburg (West Virginia) | 408.79 mi (657.89 km) |
