| Pottstown to Sesena | 3,685.08 mi (5,930.56 km) |
| Pottstown to Sestao | 3,626.54 mi (5,836.35 km) |
| Pottstown to Sevilla | 3,659.71 mi (5,889.74 km) |
| Pottstown to Sevilla La Nueva | 3,662.15 mi (5,893.66 km) |
| Pottstown to Silla | 3,864.49 mi (6,219.30 km) |
| Pottstown to Silleda | 3,398.27 mi (5,468.99 km) |
| Pottstown to Sitges | 3,910.02 mi (6,292.57 km) |
| Pottstown to Socuellamos | 3,752.64 mi (6,039.30 km) |
| Pottstown to Soller | 3,998.49 mi (6,434.95 km) |
| Pottstown to Solsona | 3,873.32 mi (6,233.50 km) |
| Pottstown to Son Servera | 4,034.18 mi (6,492.38 km) |
| Pottstown to Sonseca | 3,684.93 mi (5,930.33 km) |
| Pottstown to Sopelana | 3,625.83 mi (5,835.21 km) |
| Pottstown to Soria | 3,694.95 mi (5,946.45 km) |
| Pottstown to Suances | 3,574.95 mi (5,753.33 km) |
