| Houston to South Plainfield (New Jersey) | 1,393.89 mi (2,243.25 km) |
| Houston to South Portland (Maine) | 1,676.77 mi (2,698.49 km) |
| Houston to South Riding (Virginia) | 1,195.56 mi (1,924.07 km) |
| Houston to South River (New Jersey) | 1,391.79 mi (2,239.86 km) |
| Houston to South Salt Lake (Utah) | 1,195.23 mi (1,923.53 km) |
| Houston to South San Francisco (California) | 1,638.86 mi (2,637.49 km) |
| Houston to South San Jose Hills (California) | 1,349.67 mi (2,172.08 km) |
| Houston to South Sioux City (Nebraska) | 877.72 mi (1,412.55 km) |
| Houston to South St. Paul (Minnesota) | 1,051.24 mi (1,691.80 km) |
| Houston to South Valley (New Mexico) | 750.50 mi (1,207.82 km) |
| Houston to South Venice (Florida) | 810.29 mi (1,304.03 km) |
| Houston to South Whittier (California) | 1,356.32 mi (2,182.78 km) |
| Houston to South Yarmouth (Massachusetts) | 1,625.02 mi (2,615.22 km) |
| Houston to Southaven (Mississippi) | 476.31 mi (766.55 km) |
| Houston to Southchase (Florida) | 850.27 mi (1,368.38 km) |
