| Houston to Clemson (South Carolina) | 808.33 mi (1,300.88 km) |
| Houston to Clermont (Florida) | 828.71 mi (1,333.68 km) |
| Houston to Cleveland (Mississippi) | 386.84 mi (622.57 km) |
| Houston to Cleveland (Ohio) | 1,113.03 mi (1,791.25 km) |
| Houston to Cleveland (Tennessee) | 716.83 mi (1,153.63 km) |
| Houston to Cleveland Heights (Ohio) | 1,119.14 mi (1,801.08 km) |
| Houston to Cliffside Park (New Jersey) | 1,421.47 mi (2,287.64 km) |
| Houston to Clifton (Colorado) | 981.47 mi (1,579.53 km) |
| Houston to Clifton (New Jersey) | 1,414.73 mi (2,276.78 km) |
| Houston to Clinton (Iowa) | 881.14 mi (1,418.06 km) |
| Houston to Clinton (Maryland) | 1,220.15 mi (1,963.65 km) |
| Houston to Clinton (Mississippi) | 347.41 mi (559.10 km) |
| Houston to Clinton (Utah) | 1,219.34 mi (1,962.34 km) |
| Houston to Clive (Iowa) | 822.10 mi (1,323.04 km) |
| Houston to Cloquet (Minnesota) | 1,180.45 mi (1,899.76 km) |
