| Rockwall to Cullman (Alabama) | 559.22 mi (899.98 km) |
| Rockwall to Culpeper (Virginia) | 1,101.05 mi (1,771.97 km) |
| Rockwall to Culver City (California) | 1,265.59 mi (2,036.77 km) |
| Rockwall to Cumberland (Maryland) | 1,086.46 mi (1,748.49 km) |
| Rockwall to Cupertino (California) | 1,474.12 mi (2,372.36 km) |
| Rockwall to Cutler Bay (Florida) | 1,093.39 mi (1,759.64 km) |
| Rockwall to Cutlerville (Michigan) | 901.05 mi (1,450.10 km) |
| Rockwall to Cuyahoga Falls (Ohio) | 998.46 mi (1,606.87 km) |
| Rockwall to Cypress (California) | 1,245.75 mi (2,004.84 km) |
| Rockwall to Cypress Gardens (Florida) | 940.78 mi (1,514.03 km) |
| Rockwall to Cypress Lake (Florida) | 975.93 mi (1,570.60 km) |
| Rockwall to D'Iberville (Mississippi) | 474.04 mi (762.90 km) |
| Rockwall to Dakota Ridge (Colorado) | 669.56 mi (1,077.56 km) |
| Rockwall to Dale City (Virginia) | 1,138.34 mi (1,831.98 km) |
| Rockwall to Dallas (Georgia) | 671.93 mi (1,081.37 km) |
