| Rockwall to Colton (California) | 1,204.16 mi (1,937.91 km) |
| Rockwall to Columbia (Illinois) | 517.89 mi (833.46 km) |
| Rockwall to Columbia (Maryland) | 1,173.55 mi (1,888.64 km) |
| Rockwall to Columbia (Missouri) | 475.77 mi (765.67 km) |
| Rockwall to Columbia (Pennsylvania) | 1,208.70 mi (1,945.21 km) |
| Rockwall to Columbia (South Carolina) | 897.70 mi (1,444.71 km) |
| Rockwall to Columbia (Tennessee) | 567.49 mi (913.28 km) |
| Rockwall to Columbia Heights (Minnesota) | 855.35 mi (1,376.55 km) |
| Rockwall to Columbine (Colorado) | 665.53 mi (1,071.07 km) |
| Rockwall to Columbus (Georgia) | 672.30 mi (1,081.96 km) |
| Rockwall to Columbus (Indiana) | 730.04 mi (1,174.89 km) |
| Rockwall to Columbus (Mississippi) | 465.74 mi (749.53 km) |
| Rockwall to Columbus (Nebraska) | 590.81 mi (950.82 km) |
| Rockwall to Columbus (Ohio) | 891.46 mi (1,434.67 km) |
| Rockwall to Commack (New York) | 1,386.49 mi (2,231.34 km) |
