| Katy to Abilene (Texas) | 295.21 mi (475.09 km) |
| Katy to Accokeek (Maryland) | 1,235.02 mi (1,987.57 km) |
| Katy to Acworth (Georgia) | 717.41 mi (1,154.56 km) |
| Katy to Ada (Oklahoma) | 347.21 mi (558.78 km) |
| Katy to Addison (Illinois) | 945.41 mi (1,521.48 km) |
| Katy to Addison (Texas) | 226.73 mi (364.89 km) |
| Katy to Adelanto (California) | 1,303.11 mi (2,097.16 km) |
| Katy to Adelphi (Maryland) | 1,246.24 mi (2,005.63 km) |
| Katy to Adrian (Michigan) | 1,063.65 mi (1,711.77 km) |
| Katy to Affton (Missouri) | 681.89 mi (1,097.40 km) |
| Katy to Agoura Hills (California) | 1,373.93 mi (2,211.13 km) |
| Katy to Aguadilla (Puerto Rico) | 1,964.18 mi (3,161.04 km) |
| Katy to Aiken (South Carolina) | 868.16 mi (1,397.17 km) |
| Katy to Akron (Ohio) | 1,118.60 mi (1,800.20 km) |
| Katy to Alabaster (Alabama) | 581.11 mi (935.21 km) |
