| Siran to Sesena | 2,239.24 mi (3,603.71 km) |
| Siran to Sestao | 2,159.40 mi (3,475.22 km) |
| Siran to Sevilla | 2,414.67 mi (3,886.03 km) |
| Siran to Sevilla La Nueva | 2,252.01 mi (3,624.26 km) |
| Siran to Silla | 2,082.73 mi (3,351.83 km) |
| Siran to Silleda | 2,426.74 mi (3,905.46 km) |
| Siran to Sitges | 1,940.91 mi (3,123.59 km) |
| Siran to Socuellamos | 2,207.09 mi (3,551.97 km) |
| Siran to Soller | 1,915.14 mi (3,082.12 km) |
| Siran to Solsona | 1,946.60 mi (3,132.74 km) |
| Siran to Son Servera | 1,883.16 mi (3,030.65 km) |
| Siran to Sonseca | 2,259.22 mi (3,635.87 km) |
| Siran to Sopelana | 2,157.33 mi (3,471.89 km) |
| Siran to Soria | 2,151.11 mi (3,461.87 km) |
| Siran to Suances | 2,209.84 mi (3,556.40 km) |
