| Horizon West to Sesena | 4,381.27 mi (7,050.98 km) |
| Horizon West to Sestao | 4,357.00 mi (7,011.91 km) |
| Horizon West to Sevilla | 4,317.16 mi (6,947.80 km) |
| Horizon West to Sevilla La Nueva | 4,359.91 mi (7,016.59 km) |
| Horizon West to Silla | 4,563.31 mi (7,343.94 km) |
| Horizon West to Silleda | 4,109.85 mi (6,614.16 km) |
| Horizon West to Sitges | 4,633.64 mi (7,457.13 km) |
| Horizon West to Socuellamos | 4,443.16 mi (7,150.58 km) |
| Horizon West to Soller | 4,711.15 mi (7,581.86 km) |
| Horizon West to Solsona | 4,603.15 mi (7,408.05 km) |
| Horizon West to Son Servera | 4,747.58 mi (7,640.49 km) |
| Horizon West to Sonseca | 4,376.11 mi (7,042.67 km) |
| Horizon West to Sopelana | 4,357.04 mi (7,011.98 km) |
| Horizon West to Soria | 4,411.63 mi (7,099.84 km) |
| Horizon West to Suances | 4,304.09 mi (6,926.77 km) |
