| Pittsburgh to Arcore | 4,280.20 mi (6,888.31 km) |
| Pittsburgh to Ardea | 4,564.58 mi (7,345.99 km) |
| Pittsburgh to Arenzano | 4,296.59 mi (6,914.69 km) |
| Pittsburgh to Arese | 4,272.68 mi (6,876.21 km) |
| Pittsburgh to Arezzo | 4,466.12 mi (7,187.53 km) |
| Pittsburgh to Argelato | 4,402.80 mi (7,085.62 km) |
| Pittsburgh to Argenta | 4,421.56 mi (7,115.81 km) |
| Pittsburgh to Ariano Irpino | 4,691.29 mi (7,549.89 km) |
| Pittsburgh to Ariccia | 4,565.76 mi (7,347.88 km) |
| Pittsburgh to Arluno | 4,268.85 mi (6,870.05 km) |
| Pittsburgh to Arona | 4,244.34 mi (6,830.60 km) |
| Pittsburgh to Artena | 4,575.84 mi (7,364.10 km) |
| Pittsburgh to Arzachena | 4,447.03 mi (7,156.80 km) |
| Pittsburgh to Arzano | 4,665.50 mi (7,508.39 km) |
| Pittsburgh to Arzignano | 4,367.96 mi (7,029.56 km) |
