| Rockwall to Channelview (Texas) | 229.62 mi (369.54 km) |
| Rockwall to Chantilly (Virginia) | 1,137.43 mi (1,830.52 km) |
| Rockwall to Chaparral (New Mexico) | 583.92 mi (939.73 km) |
| Rockwall to Chapel Hill (North Carolina) | 1,011.72 mi (1,628.21 km) |
| Rockwall to Charleston (Illinois) | 645.93 mi (1,039.52 km) |
| Rockwall to Charleston (South Carolina) | 954.79 mi (1,536.59 km) |
| Rockwall to Charleston (West Virginia) | 910.75 mi (1,465.70 km) |
| Rockwall to Charlotte (North Carolina) | 906.25 mi (1,458.48 km) |
| Rockwall to Charlottesville (Virginia) | 1,068.13 mi (1,718.98 km) |
| Rockwall to Chaska (Minnesota) | 835.99 mi (1,345.39 km) |
| Rockwall to Chatham (Illinois) | 598.73 mi (963.57 km) |
| Rockwall to Chattanooga (Tennessee) | 657.57 mi (1,058.26 km) |
| Rockwall to Cheat Lake (West Virginia) | 1,032.23 mi (1,661.21 km) |
| Rockwall to Chelsea (Alabama) | 568.01 mi (914.13 km) |
| Rockwall to Chelsea (Massachusetts) | 1,528.35 mi (2,459.64 km) |
