| Valley Center to Smithville (Missouri) | 1,315.72 mi (2,117.45 km) |
| Valley Center to Smyrna (Delaware) | 2,323.89 mi (3,739.93 km) |
| Valley Center to Smyrna (Georgia) | 1,864.08 mi (2,999.94 km) |
| Valley Center to Smyrna (Tennessee) | 1,737.21 mi (2,795.76 km) |
| Valley Center to Snellville (Georgia) | 1,893.30 mi (3,046.97 km) |
| Valley Center to Snoqualmie (Washington) | 1,019.38 mi (1,640.53 km) |
| Valley Center to Snyder (Texas) | 933.24 mi (1,501.90 km) |
| Valley Center to Socastee (South Carolina) | 2,178.47 mi (3,505.91 km) |
| Valley Center to Socorro (Texas) | 636.51 mi (1,024.36 km) |
| Valley Center to Soddy-Daisy (Tennessee) | 1,816.26 mi (2,922.99 km) |
| Valley Center to Solana Beach (California) | 21.62 mi (34.80 km) |
| Valley Center to Soledad (California) | 330.69 mi (532.19 km) |
| Valley Center to Solon (Ohio) | 2,018.88 mi (3,249.07 km) |
| Valley Center to Somers Point (New Jersey) | 2,377.28 mi (3,825.86 km) |
| Valley Center to Somerset (Kentucky) | 1,840.71 mi (2,962.33 km) |
