| Mobile to Smyrna (Delaware) | 923.40 mi (1,486.07 km) |
| Mobile to Smyrna (Georgia) | 304.33 mi (489.78 km) |
| Mobile to Smyrna (Tennessee) | 376.87 mi (606.51 km) |
| Mobile to Snellville (Georgia) | 325.42 mi (523.72 km) |
| Mobile to Snoqualmie (Washington) | 2,125.18 mi (3,420.15 km) |
| Mobile to Snyder (Texas) | 764.74 mi (1,230.73 km) |
| Mobile to Socastee (South Carolina) | 571.45 mi (919.67 km) |
| Mobile to Socorro (Texas) | 1,073.59 mi (1,727.78 km) |
| Mobile to Soddy-Daisy (Tennessee) | 359.37 mi (578.34 km) |
| Mobile to Solana Beach (California) | 1,712.57 mi (2,756.12 km) |
| Mobile to Soledad (California) | 1,944.01 mi (3,128.57 km) |
| Mobile to Solon (Ohio) | 827.92 mi (1,332.41 km) |
| Mobile to Somers Point (New Jersey) | 968.13 mi (1,558.06 km) |
| Mobile to Somerset (Kentucky) | 485.99 mi (782.12 km) |
| Mobile to Somerset (New Jersey) | 1,020.73 mi (1,642.71 km) |
