| Fort Madison to Harrison (Wisconsin) | 291.94 mi (469.83 km) |
| Fort Madison to Harrisonburg (Virginia) | 681.22 mi (1,096.32 km) |
| Fort Madison to Hartford (Connecticut) | 971.86 mi (1,564.06 km) |
| Fort Madison to Hartford (Wisconsin) | 241.13 mi (388.05 km) |
| Fort Madison to Hartselle (Alabama) | 490.59 mi (789.53 km) |
| Fort Madison to Hartsville (Tennessee) | 405.10 mi (651.95 km) |
| Fort Madison to Harvey (Illinois) | 204.24 mi (328.70 km) |
| Fort Madison to Harvey (Louisiana) | 745.09 mi (1,199.11 km) |
| Fort Madison to Hasbrouck Heights (New Jersey) | 903.12 mi (1,453.43 km) |
| Fort Madison to Haslett (Michigan) | 387.47 mi (623.58 km) |
| Fort Madison to Hastings (Minnesota) | 294.11 mi (473.33 km) |
| Fort Madison to Hastings (Nebraska) | 369.13 mi (594.06 km) |
| Fort Madison to Hattiesburg (Mississippi) | 653.41 mi (1,051.55 km) |
| Fort Madison to Hauppauge (New York) | 948.31 mi (1,526.16 km) |
| Fort Madison to Havelock (North Carolina) | 881.05 mi (1,417.92 km) |
