| Prairie Ridge to Sestu | 5,752.64 mi (9,257.97 km) |
| Prairie Ridge to Settimo Torinese | 5,373.83 mi (8,648.35 km) |
| Prairie Ridge to Seveso | 5,379.05 mi (8,656.75 km) |
| Prairie Ridge to Sezze | 5,725.32 mi (9,214.01 km) |
| Prairie Ridge to Siano | 5,807.97 mi (9,347.02 km) |
| Prairie Ridge to Siena | 5,572.40 mi (8,967.92 km) |
| Prairie Ridge to Signa | 5,538.80 mi (8,913.83 km) |
| Prairie Ridge to Silea | 5,456.04 mi (8,780.65 km) |
| Prairie Ridge to Silvi Paese | 5,687.42 mi (9,153.03 km) |
| Prairie Ridge to Sinalunga | 5,588.57 mi (8,993.93 km) |
| Prairie Ridge to Siniscola | 5,693.46 mi (9,162.75 km) |
| Prairie Ridge to Sinnai | 5,755.51 mi (9,262.60 km) |
| Prairie Ridge to Siracusa | 6,051.25 mi (9,738.55 km) |
| Prairie Ridge to Solaro | 5,379.37 mi (8,657.27 km) |
| Prairie Ridge to Soliera | 5,477.45 mi (8,815.10 km) |
