| Rockwall to Cold Springs (Nevada) | 1,386.86 mi (2,231.94 km) |
| Rockwall to Coldwater (Michigan) | 883.38 mi (1,421.66 km) |
| Rockwall to Colesville (Maryland) | 1,163.86 mi (1,873.05 km) |
| Rockwall to College (Alaska) | 3,067.73 mi (4,937.03 km) |
| Rockwall to College Park (Georgia) | 693.03 mi (1,115.32 km) |
| Rockwall to College Park (Maryland) | 1,165.94 mi (1,876.40 km) |
| Rockwall to College Station (Texas) | 161.32 mi (259.62 km) |
| Rockwall to Collegedale (Tennessee) | 668.53 mi (1,075.89 km) |
| Rockwall to Colleyville (Texas) | 41.29 mi (66.46 km) |
| Rockwall to Collierville (Tennessee) | 413.07 mi (664.77 km) |
| Rockwall to Collinsville (Illinois) | 536.62 mi (863.60 km) |
| Rockwall to Colonia (New Jersey) | 1,329.78 mi (2,140.08 km) |
| Rockwall to Colonial Heights (Virginia) | 1,115.38 mi (1,795.04 km) |
| Rockwall to Colonial Park (Pennsylvania) | 1,198.78 mi (1,929.24 km) |
| Rockwall to Colorado Springs (Colorado) | 620.84 mi (999.15 km) |
