| River Falls to Solofra | 5,011.44 mi (8,065.14 km) |
| River Falls to Somma Lombardo | 4,557.04 mi (7,333.85 km) |
| River Falls to Somma Vesuviana | 4,994.20 mi (8,037.40 km) |
| River Falls to Sommacampagna | 4,648.36 mi (7,480.82 km) |
| River Falls to Sona | 4,646.23 mi (7,477.39 km) |
| River Falls to Sondrio | 4,577.80 mi (7,367.25 km) |
| River Falls to Sora | 4,922.98 mi (7,922.78 km) |
| River Falls to Sorbolo | 4,659.15 mi (7,498.18 km) |
| River Falls to Soresina | 4,617.38 mi (7,430.96 km) |
| River Falls to Sorisole | 4,589.59 mi (7,386.24 km) |
| River Falls to Sorrento | 5,003.73 mi (8,052.73 km) |
| River Falls to Sorso | 4,774.69 mi (7,684.12 km) |
| River Falls to Sortino | 5,198.41 mi (8,366.03 km) |
| River Falls to Soverato Marina | 5,180.67 mi (8,337.49 km) |
| River Falls to Sovicille | 4,760.40 mi (7,661.12 km) |
