| Houston to Abilene (Texas) | 316.48 mi (509.32 km) |
| Houston to Accokeek (Maryland) | 1,213.27 mi (1,952.56 km) |
| Houston to Acworth (Georgia) | 693.79 mi (1,116.55 km) |
| Houston to Ada (Oklahoma) | 352.11 mi (566.67 km) |
| Houston to Addison (Illinois) | 934.48 mi (1,503.89 km) |
| Houston to Addison (Texas) | 235.26 mi (378.61 km) |
| Houston to Adelanto (California) | 1,328.36 mi (2,137.79 km) |
| Houston to Adelphi (Maryland) | 1,224.74 mi (1,971.04 km) |
| Houston to Adrian (Michigan) | 1,048.74 mi (1,687.78 km) |
| Houston to Affton (Missouri) | 670.82 mi (1,079.58 km) |
| Houston to Agoura Hills (California) | 1,399.43 mi (2,252.17 km) |
| Houston to Aguadilla (Puerto Rico) | 1,938.49 mi (3,119.70 km) |
| Houston to Aiken (South Carolina) | 843.28 mi (1,357.13 km) |
| Houston to Akron (Ohio) | 1,101.06 mi (1,771.98 km) |
| Houston to Alabaster (Alabama) | 557.35 mi (896.97 km) |
