| Pittsburg to Sesena | 5,774.02 mi (9,292.39 km) |
| Pittsburg to Sestao | 5,640.24 mi (9,077.09 km) |
| Pittsburg to Sevilla | 5,827.02 mi (9,377.69 km) |
| Pittsburg to Sevilla La Nueva | 5,749.78 mi (9,253.38 km) |
| Pittsburg to Silla | 5,931.18 mi (9,545.31 km) |
| Pittsburg to Silleda | 5,480.54 mi (8,820.08 km) |
| Pittsburg to Sitges | 5,912.31 mi (9,514.95 km) |
| Pittsburg to Socuellamos | 5,847.67 mi (9,410.92 km) |
| Pittsburg to Soller | 6,019.81 mi (9,687.94 km) |
| Pittsburg to Solsona | 5,863.04 mi (9,435.64 km) |
| Pittsburg to Son Servera | 6,050.19 mi (9,736.83 km) |
| Pittsburg to Sonseca | 5,784.61 mi (9,309.44 km) |
| Pittsburg to Sopelana | 5,637.67 mi (9,072.95 km) |
| Pittsburg to Soria | 5,736.07 mi (9,231.32 km) |
| Pittsburg to Suances | 5,597.42 mi (9,008.18 km) |
