| Hercules to Abilene (Texas) | 1,323.68 mi (2,130.26 km) |
| Hercules to Accokeek (Maryland) | 2,427.41 mi (3,906.54 km) |
| Hercules to Acworth (Georgia) | 2,103.38 mi (3,385.06 km) |
| Hercules to Ada (Oklahoma) | 1,436.13 mi (2,311.23 km) |
| Hercules to Addison (Illinois) | 1,821.35 mi (2,931.18 km) |
| Hercules to Addison (Texas) | 1,467.11 mi (2,361.08 km) |
| Hercules to Adelanto (California) | 357.60 mi (575.51 km) |
| Hercules to Adelphi (Maryland) | 2,424.19 mi (3,901.35 km) |
| Hercules to Adrian (Michigan) | 2,024.77 mi (3,258.55 km) |
| Hercules to Affton (Missouri) | 1,723.49 mi (2,773.69 km) |
| Hercules to Agoura Hills (California) | 330.18 mi (531.37 km) |
| Hercules to Aguadilla (Puerto Rico) | 3,558.90 mi (5,727.50 km) |
| Hercules to Aiken (South Carolina) | 2,275.06 mi (3,661.35 km) |
| Hercules to Akron (Ohio) | 2,160.99 mi (3,477.77 km) |
| Hercules to Alabaster (Alabama) | 2,005.31 mi (3,227.23 km) |
