| Middle Island to Sesena | 3,537.89 mi (5,693.68 km) |
| Middle Island to Sestao | 3,480.96 mi (5,602.06 km) |
| Middle Island to Sevilla | 3,511.59 mi (5,651.36 km) |
| Middle Island to Sevilla La Nueva | 3,515.00 mi (5,656.85 km) |
| Middle Island to Silla | 3,717.47 mi (5,982.70 km) |
| Middle Island to Silleda | 3,251.55 mi (5,232.87 km) |
| Middle Island to Sitges | 3,764.21 mi (6,057.90 km) |
| Middle Island to Socuellamos | 3,605.29 mi (5,802.15 km) |
| Middle Island to Soller | 3,852.14 mi (6,199.43 km) |
| Middle Island to Solsona | 3,727.85 mi (5,999.39 km) |
| Middle Island to Son Servera | 3,887.89 mi (6,256.95 km) |
| Middle Island to Sonseca | 3,537.57 mi (5,693.17 km) |
| Middle Island to Sopelana | 3,480.29 mi (5,600.99 km) |
| Middle Island to Soria | 3,548.64 mi (5,710.99 km) |
| Middle Island to Suances | 3,429.26 mi (5,518.86 km) |
