| Fort Madison to Great Bend (Kansas) | 426.72 mi (686.74 km) |
| Fort Madison to Great Falls (Montana) | 1,094.42 mi (1,761.30 km) |
| Fort Madison to Great Falls (Virginia) | 753.04 mi (1,211.90 km) |
| Fort Madison to Great Neck (New York) | 921.21 mi (1,482.55 km) |
| Fort Madison to Greeley (Colorado) | 704.33 mi (1,133.51 km) |
| Fort Madison to Green (Ohio) | 516.85 mi (831.78 km) |
| Fort Madison to Green Bay (Wisconsin) | 318.76 mi (512.99 km) |
| Fort Madison to Green River (Wyoming) | 944.20 mi (1,519.54 km) |
| Fort Madison to Green Valley (Arizona) | 1,247.90 mi (2,008.31 km) |
| Fort Madison to Green Valley (Maryland) | 751.46 mi (1,209.36 km) |
| Fort Madison to Greenacres (Florida) | 1,160.10 mi (1,867.01 km) |
| Fort Madison to Greenbelt (Maryland) | 774.89 mi (1,247.06 km) |
| Fort Madison to Greendale (Wisconsin) | 235.32 mi (378.71 km) |
| Fort Madison to Greeneville (Tennessee) | 554.63 mi (892.59 km) |
| Fort Madison to Greenfield (California) | 1,635.81 mi (2,632.59 km) |
