| Pittsburgh to Argentona | 4,118.98 mi (6,628.85 km) |
| Pittsburgh to Arico el Nuevo | 3,641.35 mi (5,860.19 km) |
| Pittsburgh to Armilla | 3,984.68 mi (6,412.72 km) |
| Pittsburgh to Arnedo | 3,892.86 mi (6,264.95 km) |
| Pittsburgh to Arona | 3,635.04 mi (5,850.04 km) |
| Pittsburgh to Arrecife | 3,766.96 mi (6,062.34 km) |
| Pittsburgh to Arrigorriaga | 3,826.86 mi (6,158.74 km) |
| Pittsburgh to Arroyomolinos | 3,870.17 mi (6,228.43 km) |
| Pittsburgh to Arteijo | 3,566.19 mi (5,739.23 km) |
| Pittsburgh to Arucas | 3,694.70 mi (5,946.05 km) |
| Pittsburgh to Aspe | 4,080.39 mi (6,566.75 km) |
| Pittsburgh to Astorga | 3,703.16 mi (5,959.67 km) |
| Pittsburgh to Atarfe | 3,978.71 mi (6,403.12 km) |
| Pittsburgh to Avila | 3,821.48 mi (6,150.08 km) |
| Pittsburgh to Aviles | 3,679.04 mi (5,920.84 km) |
