| Fort Madison to Darby (Pennsylvania) | 848.42 mi (1,365.40 km) |
| Fort Madison to Dardenne Prairie (Missouri) | 132.94 mi (213.95 km) |
| Fort Madison to Darien (Illinois) | 191.60 mi (308.35 km) |
| Fort Madison to Davenport (Iowa) | 75.42 mi (121.38 km) |
| Fort Madison to Davidson (North Carolina) | 673.03 mi (1,083.14 km) |
| Fort Madison to Davie (Florida) | 1,188.20 mi (1,912.23 km) |
| Fort Madison to Davis (California) | 1,616.18 mi (2,600.99 km) |
| Fort Madison to Dayton (Nevada) | 1,491.21 mi (2,399.88 km) |
| Fort Madison to Dayton (Ohio) | 381.68 mi (614.26 km) |
| Fort Madison to Daytona Beach (Florida) | 978.33 mi (1,574.48 km) |
| Fort Madison to De Pere (Wisconsin) | 311.49 mi (501.30 km) |
| Fort Madison to De Witt (New York) | 802.38 mi (1,291.30 km) |
| Fort Madison to Dearborn (Michigan) | 437.05 mi (703.37 km) |
| Fort Madison to Dearborn Heights (Michigan) | 433.93 mi (698.34 km) |
| Fort Madison to DeBary (Florida) | 989.37 mi (1,592.24 km) |
