| Mortara to Smyrna (Delaware) | 4,130.42 mi (6,647.26 km) |
| Mortara to Smyrna (Georgia) | 4,750.28 mi (7,644.83 km) |
| Mortara to Smyrna (Tennessee) | 4,740.45 mi (7,629.01 km) |
| Mortara to Snellville (Georgia) | 4,728.37 mi (7,609.58 km) |
| Mortara to Snoqualmie (Washington) | 5,362.38 mi (8,629.92 km) |
| Mortara to Snyder (Texas) | 5,483.78 mi (8,825.28 km) |
| Mortara to Socastee (South Carolina) | 4,516.36 mi (7,268.37 km) |
| Mortara to Socorro (Texas) | 5,745.68 mi (9,246.78 km) |
| Mortara to Soddy-Daisy (Tennessee) | 4,715.38 mi (7,588.68 km) |
| Mortara to Solana Beach (California) | 6,061.58 mi (9,755.18 km) |
| Mortara to Soledad (California) | 5,992.11 mi (9,643.37 km) |
| Mortara to Solon (Ohio) | 4,291.38 mi (6,906.31 km) |
| Mortara to Somers Point (New Jersey) | 4,085.96 mi (6,575.71 km) |
| Mortara to Somerset (Kentucky) | 4,609.58 mi (7,418.41 km) |
| Mortara to Somerset (New Jersey) | 4,034.00 mi (6,492.09 km) |
