| Niagara Falls to Sosnowiec | 4,328.94 mi (6,966.75 km) |
| Niagara Falls to Srem | 4,182.68 mi (6,731.37 km) |
| Niagara Falls to Sroda Slaska | 4,203.12 mi (6,764.27 km) |
| Niagara Falls to Sroda Wielkopolska | 4,186.65 mi (6,737.76 km) |
| Niagara Falls to Stalowa Wola | 4,420.79 mi (7,114.58 km) |
| Niagara Falls to Starachowice | 4,366.41 mi (7,027.06 km) |
| Niagara Falls to Stargard Szczecinski | 4,067.08 mi (6,545.33 km) |
| Niagara Falls to Starogard Gdanski | 4,163.69 mi (6,700.81 km) |
| Niagara Falls to Stary Sacz | 4,412.30 mi (7,100.92 km) |
| Niagara Falls to Staszow | 4,389.88 mi (7,064.83 km) |
| Niagara Falls to Strzegom | 4,201.71 mi (6,762.00 km) |
| Niagara Falls to Strzelce Krajenskie | 4,100.77 mi (6,599.55 km) |
| Niagara Falls to Strzelce Opolskie | 4,289.72 mi (6,903.63 km) |
| Niagara Falls to Strzelin | 4,234.71 mi (6,815.10 km) |
| Niagara Falls to Strzyzow | 4,439.92 mi (7,145.36 km) |
