| Unye to Sesena | 2,130.46 mi (3,428.65 km) |
| Unye to Sestao | 2,046.90 mi (3,294.17 km) |
| Unye to Sevilla | 2,309.12 mi (3,716.17 km) |
| Unye to Sevilla La Nueva | 2,142.82 mi (3,448.53 km) |
| Unye to Silla | 1,976.05 mi (3,180.14 km) |
| Unye to Silleda | 2,314.11 mi (3,724.20 km) |
| Unye to Sitges | 1,831.89 mi (2,948.14 km) |
| Unye to Socuellamos | 2,099.72 mi (3,379.18 km) |
| Unye to Soller | 1,808.81 mi (2,911.00 km) |
| Unye to Solsona | 1,836.39 mi (2,955.38 km) |
| Unye to Son Servera | 1,777.32 mi (2,860.32 km) |
| Unye to Sonseca | 2,150.92 mi (3,461.57 km) |
| Unye to Sopelana | 2,044.77 mi (3,290.73 km) |
| Unye to Soria | 2,040.46 mi (3,283.80 km) |
| Unye to Suances | 2,097.09 mi (3,374.95 km) |
