| Fort Madison to Ukiah (California) | 1,683.00 mi (2,708.52 km) |
| Fort Madison to Union (Missouri) | 151.88 mi (244.43 km) |
| Fort Madison to Union City (California) | 1,648.81 mi (2,653.51 km) |
| Fort Madison to Union City (Georgia) | 612.42 mi (985.60 km) |
| Fort Madison to Union City (New Jersey) | 905.84 mi (1,457.82 km) |
| Fort Madison to Union City (Tennessee) | 315.36 mi (507.53 km) |
| Fort Madison to Union Hill-Novelty Hill (Washington) | 1,585.12 mi (2,551.00 km) |
| Fort Madison to Union Park (Florida) | 1,010.70 mi (1,626.57 km) |
| Fort Madison to Uniondale (New York) | 928.97 mi (1,495.03 km) |
| Fort Madison to Universal City (Texas) | 859.24 mi (1,382.82 km) |
| Fort Madison to University (Florida) | 1,003.61 mi (1,615.16 km) |
| Fort Madison to University City (Missouri) | 145.56 mi (234.25 km) |
| Fort Madison to University Heights (Ohio) | 514.67 mi (828.29 km) |
| Fort Madison to University of California-Santa Barbara (California) | 1,612.06 mi (2,594.36 km) |
| Fort Madison to University Park (Texas) | 615.35 mi (990.31 km) |
