| Southwater to Smyrna (Delaware) | 3,590.06 mi (5,777.64 km) |
| Southwater to Smyrna (Georgia) | 4,208.00 mi (6,772.12 km) |
| Southwater to Smyrna (Tennessee) | 4,188.55 mi (6,740.81 km) |
| Southwater to Snellville (Georgia) | 4,187.24 mi (6,738.71 km) |
| Southwater to Snoqualmie (Washington) | 4,796.11 mi (7,718.60 km) |
| Southwater to Snyder (Texas) | 4,915.71 mi (7,911.07 km) |
| Southwater to Socastee (South Carolina) | 3,987.67 mi (6,417.53 km) |
| Southwater to Socorro (Texas) | 5,172.99 mi (8,325.12 km) |
| Southwater to Soddy-Daisy (Tennessee) | 4,167.89 mi (6,707.57 km) |
| Southwater to Solana Beach (California) | 5,483.33 mi (8,824.56 km) |
| Southwater to Soledad (California) | 5,416.14 mi (8,716.44 km) |
| Southwater to Solon (Ohio) | 3,734.47 mi (6,010.05 km) |
| Southwater to Somers Point (New Jersey) | 3,547.60 mi (5,709.32 km) |
| Southwater to Somerset (Kentucky) | 4,058.37 mi (6,531.31 km) |
| Southwater to Somerset (New Jersey) | 3,491.67 mi (5,619.30 km) |
