| Niagara Falls to Sceaux | 3,736.80 mi (6,013.80 km) |
| Niagara Falls to Schiltigheim | 3,961.27 mi (6,375.05 km) |
| Niagara Falls to Scionzier | 4,001.92 mi (6,440.46 km) |
| Niagara Falls to Seclin | 3,711.63 mi (5,973.28 km) |
| Niagara Falls to Sedan | 3,813.60 mi (6,137.39 km) |
| Niagara Falls to Selestat | 3,961.57 mi (6,375.52 km) |
| Niagara Falls to Sene | 3,563.85 mi (5,735.47 km) |
| Niagara Falls to Senlis | 3,735.37 mi (6,011.50 km) |
| Niagara Falls to Sens | 3,795.82 mi (6,108.78 km) |
| Niagara Falls to Septemes-les-Vallons | 4,047.32 mi (6,513.54 km) |
| Niagara Falls to Serris | 3,754.43 mi (6,042.17 km) |
| Niagara Falls to Sete | 3,975.46 mi (6,397.89 km) |
| Niagara Falls to Sevran | 3,741.79 mi (6,021.82 km) |
| Niagara Falls to Sevres | 3,732.18 mi (6,006.37 km) |
| Niagara Falls to Seynod | 3,989.11 mi (6,419.85 km) |
