| Niagara Falls to Stephanskirchen | 4,162.71 mi (6,699.23 km) |
| Niagara Falls to Stockach | 4,037.83 mi (6,498.25 km) |
| Niagara Falls to Stockelsdorf | 3,892.07 mi (6,263.69 km) |
| Niagara Falls to Stolberg | 3,829.74 mi (6,163.38 km) |
| Niagara Falls to Stollberg | 4,080.10 mi (6,566.28 km) |
| Niagara Falls to Straelen | 3,809.08 mi (6,130.13 km) |
| Niagara Falls to Stralsund | 3,963.60 mi (6,378.80 km) |
| Niagara Falls to Straubing | 4,139.05 mi (6,661.16 km) |
| Niagara Falls to Strausberg | 4,052.77 mi (6,522.30 km) |
| Niagara Falls to Stuhr | 3,851.68 mi (6,198.69 km) |
| Niagara Falls to Stuttgart | 4,011.64 mi (6,456.11 km) |
| Niagara Falls to Sudlohn | 3,816.10 mi (6,141.43 km) |
| Niagara Falls to Suhl | 4,005.38 mi (6,446.04 km) |
| Niagara Falls to Sulingen | 3,864.93 mi (6,220.00 km) |
| Niagara Falls to Sulz am Neckar | 4,004.67 mi (6,444.90 km) |
