| Niagara Falls to Sentrupert | 4,348.75 mi (6,998.64 km) |
| Niagara Falls to Sevnica | 4,355.88 mi (7,010.11 km) |
| Niagara Falls to Sezana | 4,311.41 mi (6,938.54 km) |
| Niagara Falls to Skocjan | 4,359.46 mi (7,015.87 km) |
| Niagara Falls to Skofja Loka | 4,310.30 mi (6,936.75 km) |
| Niagara Falls to Skofljica | 4,328.28 mi (6,965.70 km) |
| Niagara Falls to Slovenj Gradec | 4,327.23 mi (6,964.01 km) |
| Niagara Falls to Slovenska Bistrica | 4,351.28 mi (7,002.71 km) |
| Niagara Falls to Slovenske Konjice | 4,347.44 mi (6,996.53 km) |
| Niagara Falls to Smarje | 4,355.53 mi (7,009.55 km) |
| Niagara Falls to Smarjeske Toplice | 4,358.49 mi (7,014.31 km) |
| Niagara Falls to Smartno | 4,336.53 mi (6,978.98 km) |
| Niagara Falls to Smartno | 4,332.52 mi (6,972.51 km) |
| Niagara Falls to Sodrazica | 4,339.44 mi (6,983.65 km) |
| Niagara Falls to Solcava | 4,315.62 mi (6,945.32 km) |
