| Fort Madison to Jeffersonville (Indiana) | 339.93 mi (547.07 km) |
| Fort Madison to Jenison (Michigan) | 325.46 mi (523.77 km) |
| Fort Madison to Jenks (Oklahoma) | 405.85 mi (653.15 km) |
| Fort Madison to Jennings (Missouri) | 143.28 mi (230.58 km) |
| Fort Madison to Jensen Beach (Florida) | 1,120.29 mi (1,802.93 km) |
| Fort Madison to Jericho (New York) | 931.29 mi (1,498.77 km) |
| Fort Madison to Jerome (Idaho) | 1,200.52 mi (1,932.05 km) |
| Fort Madison to Jersey City (New Jersey) | 904.25 mi (1,455.26 km) |
| Fort Madison to Jessup (Maryland) | 778.41 mi (1,252.73 km) |
| Fort Madison to Johns Creek (Georgia) | 600.72 mi (966.76 km) |
| Fort Madison to Johnson City (New York) | 803.50 mi (1,293.11 km) |
| Fort Madison to Johnson City (Tennessee) | 567.76 mi (913.72 km) |
| Fort Madison to Johnston (Iowa) | 143.87 mi (231.54 km) |
| Fort Madison to Johnstown (Colorado) | 714.08 mi (1,149.20 km) |
| Fort Madison to Johnstown (Pennsylvania) | 653.17 mi (1,051.18 km) |
