| Niagara Falls to Seysses | 3,868.93 mi (6,226.44 km) |
| Niagara Falls to Sin-le-Noble | 3,720.60 mi (5,987.72 km) |
| Niagara Falls to Six-Fours-les-Plages | 4,077.58 mi (6,562.23 km) |
| Niagara Falls to Soissons | 3,759.49 mi (6,050.32 km) |
| Niagara Falls to Soisy-sous-Montmorency | 3,730.63 mi (6,003.87 km) |
| Niagara Falls to Sollies-Pont | 4,083.77 mi (6,572.19 km) |
| Niagara Falls to Somain | 3,727.37 mi (5,998.62 km) |
| Niagara Falls to Sorgues | 4,004.36 mi (6,444.40 km) |
| Niagara Falls to Sotteville-les-Rouen | 3,668.77 mi (5,904.31 km) |
| Niagara Falls to Soyaux | 3,749.50 mi (6,034.24 km) |
| Niagara Falls to Stains | 3,735.19 mi (6,011.22 km) |
| Niagara Falls to Stiring-Wendel | 3,908.64 mi (6,290.36 km) |
| Niagara Falls to Strasbourg | 3,961.95 mi (6,376.14 km) |
| Niagara Falls to Sucy-en-Brie | 3,746.50 mi (6,029.41 km) |
| Niagara Falls to Suresnes | 3,731.08 mi (6,004.59 km) |
