| Pittsburgh to Nowy Dwor Mazowiecki | 4,467.31 mi (7,189.44 km) |
| Pittsburgh to Nowy Sacz | 4,577.07 mi (7,366.09 km) |
| Pittsburgh to Nowy Targ | 4,558.33 mi (7,335.92 km) |
| Pittsburgh to Nowy Tomysl | 4,309.06 mi (6,934.77 km) |
| Pittsburgh to Nysa | 4,420.66 mi (7,114.36 km) |
| Pittsburgh to Oborniki | 4,321.57 mi (6,954.89 km) |
| Pittsburgh to Oborniki Slaskie | 4,374.02 mi (7,039.31 km) |
| Pittsburgh to Olawa | 4,402.14 mi (7,084.56 km) |
| Pittsburgh to Olecko | 4,465.68 mi (7,186.82 km) |
| Pittsburgh to Olesnica | 4,395.26 mi (7,073.48 km) |
| Pittsburgh to Olesno | 4,445.14 mi (7,153.77 km) |
| Pittsburgh to Olkusz | 4,509.83 mi (7,257.87 km) |
| Pittsburgh to Olsztyn | 4,407.43 mi (7,093.08 km) |
| Pittsburgh to Opalenica | 4,319.49 mi (6,951.55 km) |
| Pittsburgh to Opoczno | 4,493.21 mi (7,231.12 km) |
