| Fort Madison to Bixby (Oklahoma) | 405.61 mi (652.76 km) |
| Fort Madison to Black Forest (Colorado) | 714.33 mi (1,149.61 km) |
| Fort Madison to Blackfoot (Idaho) | 1,091.12 mi (1,755.99 km) |
| Fort Madison to Blackhawk (California) | 1,638.79 mi (2,637.38 km) |
| Fort Madison to Blacksburg (Virginia) | 631.59 mi (1,016.44 km) |
| Fort Madison to Blackwells Mills (New Jersey) | 878.28 mi (1,413.46 km) |
| Fort Madison to Blaine (Minnesota) | 328.02 mi (527.90 km) |
| Fort Madison to Bloomingdale (Florida) | 1,020.64 mi (1,642.56 km) |
| Fort Madison to Bloomingdale (Illinois) | 192.60 mi (309.97 km) |
| Fort Madison to Bloomington (California) | 1,494.65 mi (2,405.41 km) |
| Fort Madison to Bloomington (Illinois) | 125.38 mi (201.78 km) |
| Fort Madison to Bloomington (Indiana) | 274.84 mi (442.31 km) |
| Fort Madison to Bloomington (Minnesota) | 307.46 mi (494.81 km) |
| Fort Madison to Bloomsburg (Pennsylvania) | 778.41 mi (1,252.73 km) |
| Fort Madison to Blue Ash (Ohio) | 381.04 mi (613.23 km) |
