| Two Rivers to Sesena | 4,112.58 mi (6,618.56 km) |
| Two Rivers to Sestao | 4,020.14 mi (6,469.79 km) |
| Two Rivers to Sevilla | 4,122.36 mi (6,634.30 km) |
| Two Rivers to Sevilla La Nueva | 4,088.70 mi (6,580.13 km) |
| Two Rivers to Silla | 4,285.12 mi (6,896.23 km) |
| Two Rivers to Silleda | 3,818.02 mi (6,144.50 km) |
| Two Rivers to Sitges | 4,304.06 mi (6,926.72 km) |
| Two Rivers to Socuellamos | 4,183.89 mi (6,733.32 km) |
| Two Rivers to Soller | 4,402.07 mi (7,084.44 km) |
| Two Rivers to Solsona | 4,261.42 mi (6,858.09 km) |
| Two Rivers to Son Servera | 4,436.15 mi (7,139.30 km) |
| Two Rivers to Sonseca | 4,117.20 mi (6,626.00 km) |
| Two Rivers to Sopelana | 4,018.61 mi (6,467.34 km) |
| Two Rivers to Soria | 4,101.67 mi (6,600.99 km) |
| Two Rivers to Suances | 3,971.37 mi (6,391.30 km) |
