| Somerville to Sesena | 3,410.19 mi (5,488.17 km) |
| Somerville to Sestao | 3,349.31 mi (5,390.19 km) |
| Somerville to Sevilla | 3,388.82 mi (5,453.79 km) |
| Somerville to Sevilla La Nueva | 3,387.15 mi (5,451.09 km) |
| Somerville to Silla | 3,589.17 mi (5,776.22 km) |
| Somerville to Silleda | 3,122.46 mi (5,025.11 km) |
| Somerville to Sitges | 3,632.98 mi (5,846.72 km) |
| Somerville to Socuellamos | 3,478.16 mi (5,597.56 km) |
| Somerville to Soller | 3,722.05 mi (5,990.06 km) |
| Somerville to Solsona | 3,595.98 mi (5,787.17 km) |
| Somerville to Son Servera | 3,757.66 mi (6,047.37 km) |
| Somerville to Sonseca | 3,410.48 mi (5,488.64 km) |
| Somerville to Sopelana | 3,348.56 mi (5,388.99 km) |
| Somerville to Soria | 3,418.49 mi (5,501.52 km) |
| Somerville to Suances | 3,297.83 mi (5,307.34 km) |
