| Pittsburgh to Amelia | 4,523.29 mi (7,279.53 km) |
| Pittsburgh to Anagni | 4,585.83 mi (7,380.18 km) |
| Pittsburgh to Ancona | 4,529.12 mi (7,288.91 km) |
| Pittsburgh to Andria | 4,740.08 mi (7,628.42 km) |
| Pittsburgh to Angri | 4,685.61 mi (7,540.76 km) |
| Pittsburgh to Anguillara Sabazia | 4,534.61 mi (7,297.76 km) |
| Pittsburgh to Anzio | 4,574.46 mi (7,361.88 km) |
| Pittsburgh to Anzola dell'Emilia | 4,397.45 mi (7,077.01 km) |
| Pittsburgh to Aosta | 4,193.04 mi (6,748.05 km) |
| Pittsburgh to Apricena | 4,681.51 mi (7,534.16 km) |
| Pittsburgh to Aprilia | 4,570.16 mi (7,354.96 km) |
| Pittsburgh to Aradeo | 4,861.81 mi (7,824.33 km) |
| Pittsburgh to Aragona | 4,777.12 mi (7,688.03 km) |
| Pittsburgh to Arco | 4,335.05 mi (6,976.59 km) |
| Pittsburgh to Arcola | 4,358.53 mi (7,014.38 km) |
