| Allentown to Sesena | 3,667.01 mi (5,901.48 km) |
| Allentown to Sestao | 3,607.28 mi (5,805.35 km) |
| Allentown to Sevilla | 3,643.00 mi (5,862.85 km) |
| Allentown to Sevilla La Nueva | 3,644.03 mi (5,864.50 km) |
| Allentown to Silla | 3,846.24 mi (6,189.93 km) |
| Allentown to Silleda | 3,379.79 mi (5,439.25 km) |
| Allentown to Sitges | 3,890.89 mi (6,261.78 km) |
| Allentown to Socuellamos | 3,734.74 mi (6,010.48 km) |
| Allentown to Soller | 3,979.71 mi (6,404.72 km) |
| Allentown to Solsona | 3,853.98 mi (6,202.38 km) |
| Allentown to Son Servera | 4,015.35 mi (6,462.09 km) |
| Allentown to Sonseca | 3,667.03 mi (5,901.52 km) |
| Allentown to Sopelana | 3,606.54 mi (5,804.17 km) |
| Allentown to Soria | 3,676.15 mi (5,916.20 km) |
| Allentown to Suances | 3,555.76 mi (5,722.44 km) |
