| Bals to Sestao | 1,346.75 mi (2,167.38 km) |
| Bals to Sevilla | 1,638.17 mi (2,636.37 km) |
| Bals to Sevilla La Nueva | 1,455.20 mi (2,341.92 km) |
| Bals to Silla | 1,302.09 mi (2,095.51 km) |
| Bals to Silleda | 1,613.27 mi (2,596.31 km) |
| Bals to Sitges | 1,146.99 mi (1,845.91 km) |
| Bals to Socuellamos | 1,421.12 mi (2,287.07 km) |
| Bals to Soller | 1,138.79 mi (1,832.71 km) |
| Bals to Solsona | 1,145.74 mi (1,843.88 km) |
| Bals to Son Servera | 1,110.63 mi (1,787.39 km) |
| Bals to Sonseca | 1,467.39 mi (2,361.53 km) |
| Bals to Sopelana | 1,344.41 mi (2,163.61 km) |
| Bals to Soria | 1,346.96 mi (2,167.72 km) |
| Bals to Suances | 1,396.15 mi (2,246.89 km) |
| Bals to Sueca | 1,301.62 mi (2,094.75 km) |
