| Houston to Allison Park (Pennsylvania) | 1,143.46 mi (1,840.22 km) |
| Houston to Allouez (Wisconsin) | 1,091.60 mi (1,756.76 km) |
| Houston to Aloha (Oregon) | 1,839.25 mi (2,959.98 km) |
| Houston to Alpena (Michigan) | 1,240.12 mi (1,995.78 km) |
| Houston to Alpharetta (Georgia) | 715.28 mi (1,151.14 km) |
| Houston to Alpine (California) | 1,276.72 mi (2,054.68 km) |
| Houston to Alpine (Utah) | 1,180.40 mi (1,899.67 km) |
| Houston to Alsip (Illinois) | 925.55 mi (1,489.53 km) |
| Houston to Altadena (California) | 1,364.16 mi (2,195.41 km) |
| Houston to Altamont (Oregon) | 1,693.45 mi (2,725.34 km) |
| Houston to Altamonte Springs (Florida) | 846.82 mi (1,362.83 km) |
| Houston to Alton (Illinois) | 696.87 mi (1,121.51 km) |
| Houston to Alton (Texas) | 300.20 mi (483.12 km) |
| Houston to Altoona (Iowa) | 826.52 mi (1,330.15 km) |
| Houston to Altoona (Pennsylvania) | 1,208.71 mi (1,945.24 km) |
