| Houston to Carrollwood (Florida) | 787.22 mi (1,266.91 km) |
| Houston to Carson (California) | 1,368.47 mi (2,202.35 km) |
| Houston to Carson City (Nevada) | 1,524.56 mi (2,453.54 km) |
| Houston to Carteret (New Jersey) | 1,403.03 mi (2,257.96 km) |
| Houston to Cartersville (Georgia) | 689.84 mi (1,110.19 km) |
| Houston to Carthage (Missouri) | 512.51 mi (824.80 km) |
| Houston to Cary (Illinois) | 945.93 mi (1,522.33 km) |
| Houston to Cary (North Carolina) | 1,046.02 mi (1,683.40 km) |
| Houston to Casa de Oro-Mount Helix (California) | 1,288.56 mi (2,073.74 km) |
| Houston to Casa Grande (Arizona) | 988.85 mi (1,591.39 km) |
| Houston to Casas Adobes (Arizona) | 940.44 mi (1,513.49 km) |
| Houston to Cascades (Virginia) | 1,205.75 mi (1,940.46 km) |
| Houston to Casper (Wyoming) | 1,086.09 mi (1,747.90 km) |
| Houston to Casselberry (Florida) | 851.22 mi (1,369.91 km) |
| Houston to Castaic (California) | 1,394.68 mi (2,244.53 km) |
