| Pittsburgh to Arcos de Valdevez | 3,610.72 mi (5,810.89 km) |
| Pittsburgh to Arcozelo | 3,622.81 mi (5,830.34 km) |
| Pittsburgh to Arganil | 3,675.05 mi (5,914.42 km) |
| Pittsburgh to Arouca | 3,645.02 mi (5,866.09 km) |
| Pittsburgh to Arruda dos Vinhos | 3,663.24 mi (5,895.41 km) |
| Pittsburgh to Aveiro | 3,634.49 mi (5,849.15 km) |
| Pittsburgh to Aver-o-Mar | 3,606.74 mi (5,804.49 km) |
| Pittsburgh to Aves | 3,627.85 mi (5,838.47 km) |
| Pittsburgh to Azambuja | 3,670.39 mi (5,906.93 km) |
| Pittsburgh to Baiao | 3,648.29 mi (5,871.36 km) |
| Pittsburgh to Barcelos | 3,610.73 mi (5,810.91 km) |
| Pittsburgh to Barreiro | 3,672.79 mi (5,910.79 km) |
| Pittsburgh to Batalha | 3,656.18 mi (5,884.05 km) |
| Pittsburgh to Beja | 3,749.69 mi (6,034.55 km) |
| Pittsburgh to Belas | 3,659.58 mi (5,889.52 km) |
