| Fort Thomas to Smyrna (Delaware) | 473.64 mi (762.25 km) |
| Fort Thomas to Smyrna (Georgia) | 360.46 mi (580.11 km) |
| Fort Thomas to Smyrna (Tennessee) | 243.17 mi (391.34 km) |
| Fort Thomas to Snellville (Georgia) | 361.79 mi (582.25 km) |
| Fort Thomas to Snoqualmie (Washington) | 1,947.21 mi (3,133.73 km) |
| Fort Thomas to Snyder (Texas) | 1,018.82 mi (1,639.62 km) |
| Fort Thomas to Socastee (South Carolina) | 479.91 mi (772.35 km) |
| Fort Thomas to Socorro (Texas) | 1,327.77 mi (2,136.85 km) |
| Fort Thomas to Soddy-Daisy (Tennessee) | 267.12 mi (429.88 km) |
| Fort Thomas to Solana Beach (California) | 1,869.70 mi (3,008.99 km) |
| Fort Thomas to Soledad (California) | 2,009.48 mi (3,233.94 km) |
| Fort Thomas to Solon (Ohio) | 224.99 mi (362.08 km) |
| Fort Thomas to Somers Point (New Jersey) | 527.15 mi (848.37 km) |
| Fort Thomas to Somerset (Kentucky) | 138.23 mi (222.46 km) |
| Fort Thomas to Somerset (New Jersey) | 537.09 mi (864.37 km) |
