| River Falls to Sesena | 4,305.83 mi (6,929.56 km) |
| River Falls to Sestao | 4,203.44 mi (6,764.78 km) |
| River Falls to Sevilla | 4,326.16 mi (6,962.28 km) |
| River Falls to Sevilla La Nueva | 4,281.78 mi (6,890.86 km) |
| River Falls to Silla | 4,475.44 mi (7,202.52 km) |
| River Falls to Silleda | 4,010.41 mi (6,454.13 km) |
| River Falls to Sitges | 4,485.98 mi (7,219.48 km) |
| River Falls to Socuellamos | 4,377.95 mi (7,045.63 km) |
| River Falls to Soller | 4,586.50 mi (7,381.25 km) |
| River Falls to Solsona | 4,441.68 mi (7,148.20 km) |
| River Falls to Son Servera | 4,619.91 mi (7,435.03 km) |
| River Falls to Sonseca | 4,311.88 mi (6,939.31 km) |
| River Falls to Sopelana | 4,201.67 mi (6,761.93 km) |
| River Falls to Soria | 4,288.59 mi (6,901.81 km) |
| River Falls to Suances | 4,155.81 mi (6,688.13 km) |
