| Rockwall to Clemson (South Carolina) | 791.11 mi (1,273.17 km) |
| Rockwall to Clermont (Florida) | 924.08 mi (1,487.17 km) |
| Rockwall to Cleveland (Mississippi) | 334.44 mi (538.22 km) |
| Rockwall to Cleveland (Ohio) | 1,002.35 mi (1,613.13 km) |
| Rockwall to Cleveland (Tennessee) | 679.96 mi (1,094.29 km) |
| Rockwall to Cleveland Heights (Ohio) | 1,008.77 mi (1,623.46 km) |
| Rockwall to Cliffside Park (New Jersey) | 1,350.71 mi (2,173.76 km) |
| Rockwall to Clifton (Colorado) | 794.43 mi (1,278.52 km) |
| Rockwall to Clifton (New Jersey) | 1,343.04 mi (2,161.42 km) |
| Rockwall to Clinton (Iowa) | 703.88 mi (1,132.78 km) |
| Rockwall to Clinton (Maryland) | 1,163.06 mi (1,871.76 km) |
| Rockwall to Clinton (Mississippi) | 356.83 mi (574.27 km) |
| Rockwall to Clinton (Utah) | 1,029.93 mi (1,657.52 km) |
| Rockwall to Clive (Iowa) | 618.15 mi (994.81 km) |
| Rockwall to Cloquet (Minnesota) | 976.21 mi (1,571.06 km) |
