| Fort Madison to Des Plaines (Illinois) | 203.90 mi (328.15 km) |
| Fort Madison to Desert Hot Springs (California) | 1,453.43 mi (2,339.07 km) |
| Fort Madison to DeSoto (Texas) | 632.62 mi (1,018.11 km) |
| Fort Madison to Destin (Florida) | 757.64 mi (1,219.30 km) |
| Fort Madison to Destrehan (Louisiana) | 738.47 mi (1,188.46 km) |
| Fort Madison to Detroit (Michigan) | 443.65 mi (713.99 km) |
| Fort Madison to Diamond Bar (California) | 1,517.93 mi (2,442.87 km) |
| Fort Madison to Diamond Springs (California) | 1,566.89 mi (2,521.67 km) |
| Fort Madison to Dickinson (North Dakota) | 715.57 mi (1,151.60 km) |
| Fort Madison to Dickinson (Texas) | 799.28 mi (1,286.32 km) |
| Fort Madison to Dickson (Tennessee) | 381.68 mi (614.25 km) |
| Fort Madison to Difficult Run (Virginia) | 752.38 mi (1,210.83 km) |
| Fort Madison to Dinuba (California) | 1,534.05 mi (2,468.81 km) |
| Fort Madison to Discovery Bay (California) | 1,620.91 mi (2,608.60 km) |
| Fort Madison to Dix Hills (New York) | 941.83 mi (1,515.73 km) |
