| Niagara Falls to Solymar | 4,430.84 mi (7,130.74 km) |
| Niagara Falls to Sopron | 4,338.51 mi (6,982.16 km) |
| Niagara Falls to Szarvas | 4,521.68 mi (7,276.95 km) |
| Niagara Falls to Szazhalombatta | 4,442.22 mi (7,149.06 km) |
| Niagara Falls to Szeged | 4,532.27 mi (7,293.99 km) |
| Niagara Falls to Szeghalom | 4,537.85 mi (7,302.97 km) |
| Niagara Falls to Szekesfehervar | 4,427.49 mi (7,125.36 km) |
| Niagara Falls to Szekszard | 4,473.30 mi (7,199.08 km) |
| Niagara Falls to Szentendre | 4,431.40 mi (7,131.64 km) |
| Niagara Falls to Szentes | 4,519.83 mi (7,273.97 km) |
| Niagara Falls to Szentgotthard | 4,356.25 mi (7,010.71 km) |
| Niagara Falls to Szigethalom | 4,445.14 mi (7,153.76 km) |
| Niagara Falls to Szigetszentmiklos | 4,445.42 mi (7,154.21 km) |
| Niagara Falls to Szigetvar | 4,451.34 mi (7,163.74 km) |
| Niagara Falls to Szolnok | 4,495.52 mi (7,234.84 km) |
