| Houston to Washington (Indiana) | 771.80 mi (1,242.10 km) |
| Houston to Washington (Missouri) | 654.98 mi (1,054.08 km) |
| Houston to Washington (Pennsylvania) | 1,115.16 mi (1,794.68 km) |
| Houston to Washington (Utah) | 1,157.49 mi (1,862.80 km) |
| Houston to Washington Court House (Ohio) | 955.39 mi (1,537.55 km) |
| Houston to Washougal (Washington) | 1,819.37 mi (2,927.99 km) |
| Houston to Watauga (Texas) | 239.88 mi (386.05 km) |
| Houston to Waterbury (Connecticut) | 1,488.18 mi (2,394.99 km) |
| Houston to Waterloo (Illinois) | 662.34 mi (1,065.93 km) |
| Houston to Waterloo (Iowa) | 893.91 mi (1,438.61 km) |
| Houston to Watertown (New York) | 1,449.09 mi (2,332.08 km) |
| Houston to Watertown (South Dakota) | 1,049.34 mi (1,688.75 km) |
| Houston to Watertown (Wisconsin) | 996.39 mi (1,603.53 km) |
| Houston to Watertown Town (Massachusetts) | 1,598.51 mi (2,572.55 km) |
| Houston to Waterville (Maine) | 1,733.03 mi (2,789.04 km) |
