| Tomball to Anoka (Minnesota) | 1,051.32 mi (1,691.93 km) |
| Tomball to Ansonia (Connecticut) | 1,477.85 mi (2,378.37 km) |
| Tomball to Antelope (California) | 1,576.89 mi (2,537.76 km) |
| Tomball to Anthem (Arizona) | 999.95 mi (1,609.26 km) |
| Tomball to Antioch (California) | 1,588.14 mi (2,555.87 km) |
| Tomball to Antioch (Illinois) | 952.03 mi (1,532.14 km) |
| Tomball to Apache Junction (Arizona) | 961.50 mi (1,547.38 km) |
| Tomball to Apex (North Carolina) | 1,044.50 mi (1,680.97 km) |
| Tomball to Apollo Beach (Florida) | 814.97 mi (1,311.57 km) |
| Tomball to Apopka (Florida) | 852.92 mi (1,372.65 km) |
| Tomball to Apple Valley (California) | 1,294.79 mi (2,083.77 km) |
| Tomball to Apple Valley (Minnesota) | 1,020.79 mi (1,642.81 km) |
| Tomball to Appleton (Wisconsin) | 1,056.59 mi (1,700.42 km) |
| Tomball to Arbutus (Maryland) | 1,243.74 mi (2,001.60 km) |
| Tomball to Arcadia (California) | 1,338.35 mi (2,153.87 km) |
