| Great Falls to Sesena | 4,934.37 mi (7,941.09 km) |
| Great Falls to Sestao | 4,796.70 mi (7,719.54 km) |
| Great Falls to Sevilla | 4,994.84 mi (8,038.41 km) |
| Great Falls to Sevilla La Nueva | 4,910.15 mi (7,902.13 km) |
| Great Falls to Silla | 5,089.27 mi (8,190.39 km) |
| Great Falls to Silleda | 4,642.00 mi (7,470.57 km) |
| Great Falls to Sitges | 5,067.57 mi (8,155.46 km) |
| Great Falls to Socuellamos | 5,008.11 mi (8,059.77 km) |
| Great Falls to Soller | 5,175.43 mi (8,329.05 km) |
| Great Falls to Solsona | 5,018.03 mi (8,075.74 km) |
| Great Falls to Son Servera | 5,205.55 mi (8,377.52 km) |
| Great Falls to Sonseca | 4,945.75 mi (7,959.42 km) |
| Great Falls to Sopelana | 4,794.06 mi (7,715.29 km) |
| Great Falls to Soria | 4,893.51 mi (7,875.34 km) |
| Great Falls to Suances | 4,754.44 mi (7,651.54 km) |
