| Philadelphia to Arcata (California) | 2,540.26 mi (4,088.15 km) |
| Philadelphia to Archdale (North Carolina) | 386.56 mi (622.11 km) |
| Philadelphia to Arden-Arcade (California) | 2,446.54 mi (3,937.32 km) |
| Philadelphia to Ardmore (Oklahoma) | 1,272.77 mi (2,048.33 km) |
| Philadelphia to Ardmore (Pennsylvania) | 8.52 mi (13.70 km) |
| Philadelphia to Arecibo (Puerto Rico) | 1,571.30 mi (2,528.77 km) |
| Philadelphia to Arkadelphia (Arkansas) | 1,066.81 mi (1,716.87 km) |
| Philadelphia to Arkansas City (Kansas) | 1,197.88 mi (1,927.80 km) |
| Philadelphia to Arlington (Tennessee) | 858.96 mi (1,382.35 km) |
| Philadelphia to Arlington (Texas) | 1,319.31 mi (2,123.22 km) |
| Philadelphia to Arlington (Virginia) | 130.78 mi (210.46 km) |
| Philadelphia to Arlington (Washington) | 2,361.05 mi (3,799.74 km) |
| Philadelphia to Arlington Heights (Illinois) | 684.13 mi (1,101.00 km) |
| Philadelphia to Arnold (Maryland) | 98.57 mi (158.64 km) |
| Philadelphia to Arnold (Missouri) | 821.97 mi (1,322.84 km) |
