| Fort Madison to Iselin (New Jersey) | 892.27 mi (1,435.97 km) |
| Fort Madison to Isla Vista (California) | 1,612.37 mi (2,594.85 km) |
| Fort Madison to Issaquah (Washington) | 1,584.95 mi (2,550.73 km) |
| Fort Madison to Ithaca (New York) | 777.17 mi (1,250.74 km) |
| Fort Madison to Ives Estates (Florida) | 1,198.34 mi (1,928.54 km) |
| Fort Madison to Jackson (Michigan) | 376.80 mi (606.40 km) |
| Fort Madison to Jackson (Mississippi) | 577.28 mi (929.04 km) |
| Fort Madison to Jackson (Missouri) | 241.81 mi (389.16 km) |
| Fort Madison to Jackson (Tennessee) | 369.36 mi (594.42 km) |
| Fort Madison to Jackson (Wyoming) | 1,013.43 mi (1,630.96 km) |
| Fort Madison to Jacksonville (Alabama) | 562.15 mi (904.69 km) |
| Fort Madison to Jacksonville (Arkansas) | 398.87 mi (641.92 km) |
| Fort Madison to Jacksonville (Florida) | 894.14 mi (1,438.98 km) |
| Fort Madison to Jacksonville (Illinois) | 85.35 mi (137.36 km) |
| Fort Madison to Jacksonville (North Carolina) | 863.57 mi (1,389.79 km) |
