| Rockwall to Candler-McAfee (Georgia) | 704.16 mi (1,133.23 km) |
| Rockwall to Caño Martin Peña (Puerto Rico) | 2,129.25 mi (3,426.69 km) |
| Rockwall to Cañon City (Colorado) | 622.99 mi (1,002.61 km) |
| Rockwall to Canóvanas (Puerto Rico) | 2,139.77 mi (3,443.62 km) |
| Rockwall to Canton (Georgia) | 693.42 mi (1,115.96 km) |
| Rockwall to Canton (Illinois) | 635.61 mi (1,022.91 km) |
| Rockwall to Canton (Mississippi) | 372.80 mi (599.97 km) |
| Rockwall to Canton (Ohio) | 993.40 mi (1,598.72 km) |
| Rockwall to Canyon (Texas) | 345.23 mi (555.60 km) |
| Rockwall to Canyon Lake (California) | 1,201.71 mi (1,933.97 km) |
| Rockwall to Canyon Lake (Texas) | 236.02 mi (379.83 km) |
| Rockwall to Cape Coral (Florida) | 967.16 mi (1,556.49 km) |
| Rockwall to Cape Girardeau (Missouri) | 492.98 mi (793.38 km) |
| Rockwall to Carbondale (Illinois) | 524.69 mi (844.41 km) |
| Rockwall to Carlisle (Pennsylvania) | 1,176.79 mi (1,893.85 km) |
