| Washington Court House to Sinop | 5,613.78 mi (9,034.51 km) |
| Washington Court House to Siran | 5,846.57 mi (9,409.15 km) |
| Washington Court House to Sirnak | 6,102.97 mi (9,821.78 km) |
| Washington Court House to Sirvan | 6,058.96 mi (9,750.95 km) |
| Washington Court House to Sivas | 5,795.52 mi (9,326.99 km) |
| Washington Court House to Sivasli | 5,585.54 mi (8,989.06 km) |
| Washington Court House to Siverek | 5,981.11 mi (9,625.67 km) |
| Washington Court House to Sivrice | 5,944.36 mi (9,566.52 km) |
| Washington Court House to Sivrihisar | 5,609.75 mi (9,028.02 km) |
| Washington Court House to Sogut | 5,530.83 mi (8,901.02 km) |
| Washington Court House to Sogutlu | 5,499.77 mi (8,851.03 km) |
| Washington Court House to Soke | 5,530.78 mi (8,900.94 km) |
| Washington Court House to Solhan | 5,977.23 mi (9,619.43 km) |
| Washington Court House to Soma | 5,471.01 mi (8,804.75 km) |
| Washington Court House to Sorgun | 5,726.73 mi (9,216.28 km) |
