| Poplar Bluff to Sesena | 4,499.65 mi (7,241.49 km) |
| Poplar Bluff to Sestao | 4,428.39 mi (7,126.80 km) |
| Poplar Bluff to Sevilla | 4,484.30 mi (7,216.78 km) |
| Poplar Bluff to Sevilla La Nueva | 4,476.34 mi (7,203.98 km) |
| Poplar Bluff to Silla | 4,677.22 mi (7,527.26 km) |
| Poplar Bluff to Silleda | 4,209.35 mi (6,774.30 km) |
| Poplar Bluff to Sitges | 4,712.94 mi (7,584.75 km) |
| Poplar Bluff to Socuellamos | 4,568.61 mi (7,352.48 km) |
| Poplar Bluff to Soller | 4,805.40 mi (7,733.55 km) |
| Poplar Bluff to Solsona | 4,673.70 mi (7,521.59 km) |
| Poplar Bluff to Son Servera | 4,840.58 mi (7,790.16 km) |
| Poplar Bluff to Sonseca | 4,501.06 mi (7,243.75 km) |
| Poplar Bluff to Sopelana | 4,427.34 mi (7,125.12 km) |
| Poplar Bluff to Soria | 4,502.17 mi (7,245.54 km) |
| Poplar Bluff to Suances | 4,377.77 mi (7,045.34 km) |
