| Houston to Candler-McAfee (Georgia) | 707.04 mi (1,137.87 km) |
| Houston to Caño Martin Peña (Puerto Rico) | 2,002.02 mi (3,221.95 km) |
| Houston to Cañon City (Colorado) | 820.00 mi (1,319.67 km) |
| Houston to Canóvanas (Puerto Rico) | 2,012.68 mi (3,239.10 km) |
| Houston to Canton (Georgia) | 708.43 mi (1,140.11 km) |
| Houston to Canton (Illinois) | 803.12 mi (1,292.49 km) |
| Houston to Canton (Mississippi) | 371.37 mi (597.67 km) |
| Houston to Canton (Ohio) | 1,095.08 mi (1,762.36 km) |
| Houston to Canyon (Texas) | 523.69 mi (842.80 km) |
| Houston to Canyon Lake (California) | 1,310.65 mi (2,109.29 km) |
| Houston to Canyon Lake (Texas) | 172.29 mi (277.27 km) |
| Houston to Cape Coral (Florida) | 843.21 mi (1,357.02 km) |
| Houston to Cape Girardeau (Missouri) | 618.52 mi (995.41 km) |
| Houston to Carbondale (Illinois) | 652.36 mi (1,049.88 km) |
| Houston to Carlisle (Pennsylvania) | 1,251.83 mi (2,014.63 km) |
