| Prairie Ridge to Solofra | 5,809.89 mi (9,350.11 km) |
| Prairie Ridge to Somma Lombardo | 5,365.62 mi (8,635.14 km) |
| Prairie Ridge to Somma Vesuviana | 5,797.39 mi (9,329.99 km) |
| Prairie Ridge to Sommacampagna | 5,436.18 mi (8,748.68 km) |
| Prairie Ridge to Sona | 5,433.78 mi (8,744.83 km) |
| Prairie Ridge to Sondrio | 5,366.31 mi (8,636.25 km) |
| Prairie Ridge to Sora | 5,725.84 mi (9,214.85 km) |
| Prairie Ridge to Sorbolo | 5,459.16 mi (8,785.66 km) |
| Prairie Ridge to Soresina | 5,418.24 mi (8,719.81 km) |
| Prairie Ridge to Sorisole | 5,386.55 mi (8,668.81 km) |
| Prairie Ridge to Sorrento | 5,810.75 mi (9,351.49 km) |
| Prairie Ridge to Sorso | 5,649.95 mi (9,092.72 km) |
| Prairie Ridge to Sortino | 6,038.81 mi (9,718.52 km) |
| Prairie Ridge to Soverato Marina | 5,983.29 mi (9,629.18 km) |
| Prairie Ridge to Sovicille | 5,572.03 mi (8,967.31 km) |
