| Prairie Ridge to Smyrna (Delaware) | 2,368.02 mi (3,810.95 km) |
| Prairie Ridge to Smyrna (Georgia) | 2,152.37 mi (3,463.91 km) |
| Prairie Ridge to Smyrna (Tennessee) | 1,975.31 mi (3,178.95 km) |
| Prairie Ridge to Snellville (Georgia) | 2,176.31 mi (3,502.43 km) |
| Prairie Ridge to Snoqualmie (Washington) | 30.10 mi (48.45 km) |
| Prairie Ridge to Snyder (Texas) | 1,494.15 mi (2,404.59 km) |
| Prairie Ridge to Socastee (South Carolina) | 2,415.07 mi (3,886.68 km) |
| Prairie Ridge to Socorro (Texas) | 1,360.75 mi (2,189.91 km) |
| Prairie Ridge to Soddy-Daisy (Tennessee) | 2,065.77 mi (3,324.53 km) |
| Prairie Ridge to Solana Beach (California) | 1,010.63 mi (1,626.45 km) |
| Prairie Ridge to Soledad (California) | 740.47 mi (1,191.67 km) |
| Prairie Ridge to Solon (Ohio) | 2,028.82 mi (3,265.07 km) |
| Prairie Ridge to Somers Point (New Jersey) | 2,414.18 mi (3,885.24 km) |
| Prairie Ridge to Somerset (Kentucky) | 2,022.37 mi (3,254.69 km) |
| Prairie Ridge to Somerset (New Jersey) | 2,380.36 mi (3,830.82 km) |
