| Fort Madison to South Fulton (Georgia) | 609.99 mi (981.68 km) |
| Fort Madison to South Gate (California) | 1,539.04 mi (2,476.85 km) |
| Fort Madison to South Hill (Washington) | 1,593.19 mi (2,564.00 km) |
| Fort Madison to South Holland (Illinois) | 206.48 mi (332.29 km) |
| Fort Madison to South Houston (Texas) | 788.06 mi (1,268.25 km) |
| Fort Madison to South Huntington (New York) | 938.87 mi (1,510.96 km) |
| Fort Madison to South Jordan (Utah) | 1,079.83 mi (1,737.82 km) |
| Fort Madison to South Lake Tahoe (California) | 1,518.03 mi (2,443.04 km) |
| Fort Madison to South Laurel (Maryland) | 776.14 mi (1,249.08 km) |
| Fort Madison to South Lyon (Michigan) | 417.76 mi (672.32 km) |
| Fort Madison to South Miami (Florida) | 1,210.33 mi (1,947.83 km) |
| Fort Madison to South Miami Heights (Florida) | 1,214.83 mi (1,955.08 km) |
| Fort Madison to South Milwaukee (Wisconsin) | 239.50 mi (385.43 km) |
| Fort Madison to South Ogden (Utah) | 1,074.39 mi (1,729.06 km) |
| Fort Madison to South Pasadena (California) | 1,532.36 mi (2,466.09 km) |
