| Pittsburgh to Sesimbra | 3,677.97 mi (5,919.12 km) |
| Pittsburgh to Setubal | 3,685.56 mi (5,931.34 km) |
| Pittsburgh to Sever do Vouga | 3,645.06 mi (5,866.15 km) |
| Pittsburgh to Silves | 3,749.18 mi (6,033.73 km) |
| Pittsburgh to Sines | 3,704.41 mi (5,961.68 km) |
| Pittsburgh to Sintra | 3,653.20 mi (5,879.26 km) |
| Pittsburgh to Sobrado de Paiva | 3,641.11 mi (5,859.79 km) |
| Pittsburgh to Sobral de Monte Agraco | 3,658.07 mi (5,887.10 km) |
| Pittsburgh to Soure | 3,652.34 mi (5,877.87 km) |
| Pittsburgh to Tabua | 3,672.03 mi (5,909.55 km) |
| Pittsburgh to Tavira | 3,790.00 mi (6,099.41 km) |
| Pittsburgh to Tomar | 3,676.07 mi (5,916.06 km) |
| Pittsburgh to Tondela | 3,664.85 mi (5,898.01 km) |
| Pittsburgh to Torre de Moncorvo | 3,689.78 mi (5,938.12 km) |
| Pittsburgh to Torres Novas | 3,674.46 mi (5,913.47 km) |
