| Birstonas to Sestao | 1,439.48 mi (2,316.62 km) |
| Birstonas to Sevilla | 1,851.48 mi (2,979.67 km) |
| Birstonas to Sevilla La Nueva | 1,620.75 mi (2,608.34 km) |
| Birstonas to Silla | 1,545.79 mi (2,487.71 km) |
| Birstonas to Silleda | 1,665.37 mi (2,680.16 km) |
| Birstonas to Sitges | 1,371.75 mi (2,207.62 km) |
| Birstonas to Socuellamos | 1,631.13 mi (2,625.05 km) |
| Birstonas to Soller | 1,421.85 mi (2,288.24 km) |
| Birstonas to Solsona | 1,341.79 mi (2,159.40 km) |
| Birstonas to Son Servera | 1,409.16 mi (2,267.83 km) |
| Birstonas to Sonseca | 1,650.84 mi (2,656.77 km) |
| Birstonas to Sopelana | 1,435.22 mi (2,309.76 km) |
| Birstonas to Soria | 1,493.66 mi (2,403.82 km) |
| Birstonas to Suances | 1,472.91 mi (2,370.42 km) |
| Birstonas to Sueca | 1,551.03 mi (2,496.14 km) |
