| Cal to Smyrna (Delaware) | 5,287.91 mi (8,510.07 km) |
| Cal to Smyrna (Georgia) | 5,906.39 mi (9,505.41 km) |
| Cal to Smyrna (Tennessee) | 5,886.40 mi (9,473.24 km) |
| Cal to Snellville (Georgia) | 5,885.44 mi (9,471.69 km) |
| Cal to Snoqualmie (Washington) | 6,261.69 mi (10,077.21 km) |
| Cal to Snyder (Texas) | 6,595.41 mi (10,614.29 km) |
| Cal to Socastee (South Carolina) | 5,681.11 mi (9,142.86 km) |
| Cal to Socorro (Texas) | 6,837.37 mi (11,003.69 km) |
| Cal to Soddy-Daisy (Tennessee) | 5,866.51 mi (9,441.23 km) |
| Cal to Solana Beach (California) | 7,078.70 mi (11,392.07 km) |
| Cal to Soledad (California) | 6,959.07 mi (11,199.54 km) |
| Cal to Solon (Ohio) | 5,430.50 mi (8,739.55 km) |
| Cal to Somers Point (New Jersey) | 5,244.90 mi (8,440.85 km) |
| Cal to Somerset (Kentucky) | 5,756.45 mi (9,264.12 km) |
| Cal to Somerset (New Jersey) | 5,189.90 mi (8,352.33 km) |
