| Pittsburgh to Arcata (California) | 2,286.92 mi (3,680.44 km) |
| Pittsburgh to Archdale (North Carolina) | 313.44 mi (504.44 km) |
| Pittsburgh to Arden-Arcade (California) | 2,190.36 mi (3,525.05 km) |
| Pittsburgh to Ardmore (Oklahoma) | 1,034.08 mi (1,664.19 km) |
| Pittsburgh to Ardmore (Pennsylvania) | 248.79 mi (400.39 km) |
| Pittsburgh to Arecibo (Puerto Rico) | 1,710.83 mi (2,753.31 km) |
| Pittsburgh to Arkadelphia (Arkansas) | 840.50 mi (1,352.66 km) |
| Pittsburgh to Arkansas City (Kansas) | 946.62 mi (1,523.44 km) |
| Pittsburgh to Arlington (Tennessee) | 637.89 mi (1,026.59 km) |
| Pittsburgh to Arlington (Texas) | 1,088.79 mi (1,752.23 km) |
| Pittsburgh to Arlington (Virginia) | 187.13 mi (301.16 km) |
| Pittsburgh to Arlington (Washington) | 2,123.59 mi (3,417.59 km) |
| Pittsburgh to Arlington Heights (Illinois) | 431.06 mi (693.72 km) |
| Pittsburgh to Arnold (Maryland) | 208.46 mi (335.48 km) |
| Pittsburgh to Arnold (Missouri) | 571.56 mi (919.84 km) |
