| Washington Court House to Smithville (Missouri) | 594.28 mi (956.39 km) |
| Washington Court House to Smyrna (Delaware) | 417.62 mi (672.10 km) |
| Washington Court House to Smyrna (Georgia) | 396.69 mi (638.41 km) |
| Washington Court House to Smyrna (Tennessee) | 299.07 mi (481.30 km) |
| Washington Court House to Snellville (Georgia) | 393.87 mi (633.88 km) |
| Washington Court House to Snoqualmie (Washington) | 1,979.41 mi (3,185.54 km) |
| Washington Court House to Snyder (Texas) | 1,081.15 mi (1,739.95 km) |
| Washington Court House to Socastee (South Carolina) | 472.61 mi (760.59 km) |
| Washington Court House to Socorro (Texas) | 1,389.12 mi (2,235.57 km) |
| Washington Court House to Soddy-Daisy (Tennessee) | 310.90 mi (500.35 km) |
| Washington Court House to Solana Beach (California) | 1,925.91 mi (3,099.45 km) |
| Washington Court House to Soledad (California) | 2,060.34 mi (3,315.79 km) |
| Washington Court House to Solon (Ohio) | 165.01 mi (265.56 km) |
| Washington Court House to Somers Point (New Jersey) | 470.86 mi (757.78 km) |
| Washington Court House to Somerset (Kentucky) | 181.32 mi (291.80 km) |
