| Katy to Anoka (Minnesota) | 1,073.64 mi (1,727.86 km) |
| Katy to Ansonia (Connecticut) | 1,501.00 mi (2,415.63 km) |
| Katy to Antelope (California) | 1,576.00 mi (2,536.32 km) |
| Katy to Anthem (Arizona) | 994.98 mi (1,601.27 km) |
| Katy to Antioch (California) | 1,586.37 mi (2,553.01 km) |
| Katy to Antioch (Illinois) | 976.52 mi (1,571.55 km) |
| Katy to Apache Junction (Arizona) | 955.91 mi (1,538.39 km) |
| Katy to Apex (North Carolina) | 1,065.50 mi (1,714.75 km) |
| Katy to Apollo Beach (Florida) | 825.11 mi (1,327.89 km) |
| Katy to Apopka (Florida) | 865.03 mi (1,392.13 km) |
| Katy to Apple Valley (California) | 1,289.76 mi (2,075.67 km) |
| Katy to Apple Valley (Minnesota) | 1,043.25 mi (1,678.96 km) |
| Katy to Appleton (Wisconsin) | 1,080.80 mi (1,739.37 km) |
| Katy to Arbutus (Maryland) | 1,266.54 mi (2,038.31 km) |
| Katy to Arcadia (California) | 1,332.70 mi (2,144.77 km) |
