| Hercules to Arcata (California) | 219.85 mi (353.82 km) |
| Hercules to Archdale (North Carolina) | 2,319.76 mi (3,733.30 km) |
| Hercules to Arden-Arcade (California) | 62.66 mi (100.85 km) |
| Hercules to Ardmore (Oklahoma) | 1,422.91 mi (2,289.96 km) |
| Hercules to Ardmore (Pennsylvania) | 2,495.87 mi (4,016.71 km) |
| Hercules to Arecibo (Puerto Rico) | 3,580.94 mi (5,762.97 km) |
| Hercules to Arkadelphia (Arkansas) | 1,644.91 mi (2,647.23 km) |
| Hercules to Arkansas City (Kansas) | 1,378.88 mi (2,219.09 km) |
| Hercules to Arlington (Tennessee) | 1,807.57 mi (2,909.01 km) |
| Hercules to Arlington (Texas) | 1,457.95 mi (2,346.35 km) |
| Hercules to Arlington (Virginia) | 2,418.99 mi (3,892.98 km) |
| Hercules to Arlington (Washington) | 702.27 mi (1,130.19 km) |
| Hercules to Arlington Heights (Illinois) | 1,822.13 mi (2,932.43 km) |
| Hercules to Arnold (Maryland) | 2,447.97 mi (3,939.63 km) |
| Hercules to Arnold (Missouri) | 1,722.28 mi (2,771.74 km) |
