| Horta to Sestao | 1,372.14 mi (2,208.25 km) |
| Horta to Sevilla | 1,234.85 mi (1,987.30 km) |
| Horta to Sevilla La Nueva | 1,314.61 mi (2,115.66 km) |
| Horta to Silla | 1,511.48 mi (2,432.49 km) |
| Horta to Silleda | 1,104.92 mi (1,778.20 km) |
| Horta to Sitges | 1,616.18 mi (2,600.98 km) |
| Horta to Socuellamos | 1,385.41 mi (2,229.60 km) |
| Horta to Soller | 1,672.48 mi (2,691.60 km) |
| Horta to Solsona | 1,599.11 mi (2,573.52 km) |
| Horta to Son Servera | 1,708.59 mi (2,749.71 km) |
| Horta to Sonseca | 1,321.47 mi (2,126.71 km) |
| Horta to Sopelana | 1,373.91 mi (2,211.09 km) |
| Horta to Soria | 1,394.30 mi (2,243.91 km) |
| Horta to Suances | 1,320.81 mi (2,125.63 km) |
| Horta to Sueca | 1,518.09 mi (2,443.13 km) |
