| McKeesport to Solofra | 4,692.05 mi (7,551.12 km) |
| McKeesport to Somma Lombardo | 4,251.31 mi (6,841.82 km) |
| McKeesport to Somma Vesuviana | 4,672.78 mi (7,520.11 km) |
| McKeesport to Sommacampagna | 4,350.86 mi (7,002.03 km) |
| McKeesport to Sona | 4,348.97 mi (6,999.00 km) |
| McKeesport to Sondrio | 4,283.09 mi (6,892.97 km) |
| McKeesport to Sora | 4,604.70 mi (7,410.55 km) |
| McKeesport to Sorbolo | 4,353.93 mi (7,006.98 km) |
| McKeesport to Soresina | 4,313.53 mi (6,941.95 km) |
| McKeesport to Sorisole | 4,289.33 mi (6,903.00 km) |
| McKeesport to Sorrento | 4,679.69 mi (7,531.24 km) |
| McKeesport to Sorso | 4,419.77 mi (7,112.93 km) |
| McKeesport to Sortino | 4,847.38 mi (7,801.10 km) |
| McKeesport to Soverato Marina | 4,852.02 mi (7,808.57 km) |
| McKeesport to Sovicille | 4,443.87 mi (7,151.72 km) |
