| Houston to Camarillo (California) | 1,415.37 mi (2,277.81 km) |
| Houston to Camas (Washington) | 1,823.60 mi (2,934.80 km) |
| Houston to Cambridge (Maryland) | 1,255.39 mi (2,020.36 km) |
| Houston to Cambridge (Massachusetts) | 1,601.41 mi (2,577.22 km) |
| Houston to Camden (Arkansas) | 300.95 mi (484.34 km) |
| Houston to Camden (New Jersey) | 1,341.96 mi (2,159.67 km) |
| Houston to Cameron Park (California) | 1,579.20 mi (2,541.47 km) |
| Houston to Camp Pendleton South (California) | 1,315.32 mi (2,116.80 km) |
| Houston to Camp Springs (Maryland) | 1,221.10 mi (1,965.18 km) |
| Houston to Camp Verde (Arizona) | 1,016.68 mi (1,636.19 km) |
| Houston to Campbell (California) | 1,608.82 mi (2,589.15 km) |
| Houston to Campbellsville (Kentucky) | 778.01 mi (1,252.08 km) |
| Houston to Campton Hills (Illinois) | 925.84 mi (1,490.00 km) |
| Houston to Canby (Oregon) | 1,824.18 mi (2,935.73 km) |
| Houston to Candelaria (Puerto Rico) | 1,993.32 mi (3,207.93 km) |
