| Fort Madison to Grand Prairie (Texas) | 631.51 mi (1,016.32 km) |
| Fort Madison to Grand Rapids (Michigan) | 334.89 mi (538.96 km) |
| Fort Madison to Grand Rapids (Minnesota) | 469.87 mi (756.18 km) |
| Fort Madison to Grand Terrace (California) | 1,490.95 mi (2,399.45 km) |
| Fort Madison to Grandview (Missouri) | 206.98 mi (333.10 km) |
| Fort Madison to Grandview (Washington) | 1,475.74 mi (2,374.98 km) |
| Fort Madison to Grandville (Michigan) | 328.45 mi (528.59 km) |
| Fort Madison to Granger (Indiana) | 281.96 mi (453.77 km) |
| Fort Madison to Granite Bay (California) | 1,583.10 mi (2,547.75 km) |
| Fort Madison to Granite City (Illinois) | 145.98 mi (234.93 km) |
| Fort Madison to Grants Pass (Oregon) | 1,649.19 mi (2,654.11 km) |
| Fort Madison to Grantsville (Utah) | 1,105.35 mi (1,778.89 km) |
| Fort Madison to Grapevine (Texas) | 618.01 mi (994.59 km) |
| Fort Madison to Grass Valley (California) | 1,569.32 mi (2,525.58 km) |
| Fort Madison to Grayslake (Illinois) | 208.78 mi (336.01 km) |
