| Rockwall to Commerce (California) | 1,251.61 mi (2,014.27 km) |
| Rockwall to Commerce City (Colorado) | 669.43 mi (1,077.34 km) |
| Rockwall to Compton (California) | 1,256.29 mi (2,021.80 km) |
| Rockwall to Comstock Park (Michigan) | 911.06 mi (1,466.21 km) |
| Rockwall to Concord (California) | 1,475.66 mi (2,374.85 km) |
| Rockwall to Concord (Missouri) | 515.26 mi (829.24 km) |
| Rockwall to Concord (New Hampshire) | 1,521.08 mi (2,447.94 km) |
| Rockwall to Concord (North Carolina) | 918.42 mi (1,478.05 km) |
| Rockwall to Conneaut (Ohio) | 1,067.57 mi (1,718.10 km) |
| Rockwall to Connersville (Indiana) | 781.74 mi (1,258.08 km) |
| Rockwall to Conroe (Texas) | 187.77 mi (302.18 km) |
| Rockwall to Converse (Texas) | 260.11 mi (418.60 km) |
| Rockwall to Conway (Arkansas) | 271.83 mi (437.46 km) |
| Rockwall to Conway (Florida) | 946.84 mi (1,523.79 km) |
| Rockwall to Conway (South Carolina) | 1,004.42 mi (1,616.46 km) |
