| Fort Madison to Sudbury | 4,162.09 mi (6,698.24 km) |
| Fort Madison to Sunbury | 4,139.59 mi (6,662.02 km) |
| Fort Madison to Sunderland | 3,993.37 mi (6,426.71 km) |
| Fort Madison to Sunninghill | 4,131.53 mi (6,649.06 km) |
| Fort Madison to Surbiton | 4,144.97 mi (6,670.69 km) |
| Fort Madison to Sutton | 4,150.10 mi (6,678.94 km) |
| Fort Madison to Sutton Coldfield | 4,050.11 mi (6,518.03 km) |
| Fort Madison to Sutton in Ashfield | 4,053.13 mi (6,522.89 km) |
| Fort Madison to Sutton on Hull | 4,067.20 mi (6,545.53 km) |
| Fort Madison to Swadlincote | 4,053.30 mi (6,523.16 km) |
| Fort Madison to Swallownest | 4,043.28 mi (6,507.03 km) |
| Fort Madison to Swanage | 4,107.71 mi (6,610.72 km) |
| Fort Madison to Swindon | 4,083.72 mi (6,572.12 km) |
| Fort Madison to Swinton | 4,039.71 mi (6,501.28 km) |
| Fort Madison to Swinton | 4,001.28 mi (6,439.43 km) |
