| Alvin to Smyrna (Delaware) | 1,310.81 mi (2,109.54 km) |
| Alvin to Smyrna (Georgia) | 704.90 mi (1,134.43 km) |
| Alvin to Smyrna (Tennessee) | 682.63 mi (1,098.59 km) |
| Alvin to Snellville (Georgia) | 731.91 mi (1,177.90 km) |
| Alvin to Snoqualmie (Washington) | 1,889.36 mi (3,040.63 km) |
| Alvin to Snyder (Texas) | 404.11 mi (650.35 km) |
| Alvin to Socastee (South Carolina) | 1,002.67 mi (1,613.63 km) |
| Alvin to Socorro (Texas) | 670.71 mi (1,079.40 km) |
| Alvin to Soddy-Daisy (Tennessee) | 716.02 mi (1,152.33 km) |
| Alvin to Solana Beach (California) | 1,319.32 mi (2,123.24 km) |
| Alvin to Soledad (California) | 1,581.82 mi (2,545.70 km) |
| Alvin to Solon (Ohio) | 1,135.66 mi (1,827.67 km) |
| Alvin to Somers Point (New Jersey) | 1,360.13 mi (2,188.92 km) |
| Alvin to Somerset (Kentucky) | 813.80 mi (1,309.69 km) |
| Alvin to Somerset (New Jersey) | 1,400.47 mi (2,253.84 km) |
