| Pittsburgh to Aberaman | 3,576.98 mi (5,756.59 km) |
| Pittsburgh to Aberbargoed | 3,585.49 mi (5,770.29 km) |
| Pittsburgh to Aberdare | 3,576.20 mi (5,755.34 km) |
| Pittsburgh to Aberdeen | 3,511.61 mi (5,651.39 km) |
| Pittsburgh to Abergavenny | 3,590.87 mi (5,778.95 km) |
| Pittsburgh to Abergele | 3,535.73 mi (5,690.22 km) |
| Pittsburgh to Abertawe | 3,558.01 mi (5,726.06 km) |
| Pittsburgh to Abertillery | 3,588.51 mi (5,775.14 km) |
| Pittsburgh to Aberystwyth | 3,534.84 mi (5,688.77 km) |
| Pittsburgh to Abingdon | 3,664.19 mi (5,896.94 km) |
| Pittsburgh to Abram | 3,569.49 mi (5,744.54 km) |
| Pittsburgh to Accrington | 3,572.74 mi (5,749.77 km) |
| Pittsburgh to Acomb | 3,615.88 mi (5,819.19 km) |
| Pittsburgh to Acton | 3,708.53 mi (5,968.30 km) |
| Pittsburgh to Addlestone | 3,703.41 mi (5,960.07 km) |
