| Houston to Clarksdale (Mississippi) | 415.19 mi (668.19 km) |
| Houston to Clarkston (Georgia) | 710.76 mi (1,143.86 km) |
| Houston to Clarksville (Indiana) | 805.99 mi (1,297.12 km) |
| Houston to Clarksville (Tennessee) | 659.95 mi (1,062.09 km) |
| Houston to Clawson (Michigan) | 1,112.00 mi (1,789.60 km) |
| Houston to Clay (Alabama) | 581.99 mi (936.63 km) |
| Houston to Clayton (California) | 1,616.79 mi (2,601.97 km) |
| Houston to Clayton (Missouri) | 676.55 mi (1,088.80 km) |
| Houston to Clayton (North Carolina) | 1,063.08 mi (1,710.87 km) |
| Houston to Clayton (Ohio) | 935.89 mi (1,506.17 km) |
| Houston to Clearfield (Utah) | 1,216.11 mi (1,957.15 km) |
| Houston to Clearlake (California) | 1,669.91 mi (2,687.45 km) |
| Houston to Clearwater (Florida) | 773.59 mi (1,244.97 km) |
| Houston to Cleburne (Texas) | 214.31 mi (344.90 km) |
| Houston to Clemmons (North Carolina) | 969.83 mi (1,560.78 km) |
