| Rockwall to Carrollwood (Florida) | 893.41 mi (1,437.80 km) |
| Rockwall to Carson (California) | 1,258.13 mi (2,024.76 km) |
| Rockwall to Carson City (Nevada) | 1,367.24 mi (2,200.35 km) |
| Rockwall to Carteret (New Jersey) | 1,333.98 mi (2,146.83 km) |
| Rockwall to Cartersville (Georgia) | 675.27 mi (1,086.75 km) |
| Rockwall to Carthage (Missouri) | 316.00 mi (508.55 km) |
| Rockwall to Cary (Illinois) | 782.48 mi (1,259.29 km) |
| Rockwall to Cary (North Carolina) | 1,022.82 mi (1,646.07 km) |
| Rockwall to Casa de Oro-Mount Helix (California) | 1,190.02 mi (1,915.16 km) |
| Rockwall to Casa Grande (Arizona) | 888.13 mi (1,429.31 km) |
| Rockwall to Casas Adobes (Arizona) | 848.29 mi (1,365.19 km) |
| Rockwall to Cascades (Virginia) | 1,143.40 mi (1,840.13 km) |
| Rockwall to Casper (Wyoming) | 870.90 mi (1,401.57 km) |
| Rockwall to Casselberry (Florida) | 943.06 mi (1,517.71 km) |
| Rockwall to Castaic (California) | 1,277.80 mi (2,056.42 km) |
