| Fort Madison to Bonham (Texas) | 554.04 mi (891.64 km) |
| Fort Madison to Bonita (California) | 1,519.16 mi (2,444.85 km) |
| Fort Madison to Bonita Springs (Florida) | 1,127.54 mi (1,814.61 km) |
| Fort Madison to Bonney Lake (Washington) | 1,588.16 mi (2,555.90 km) |
| Fort Madison to Boone (Iowa) | 164.21 mi (264.27 km) |
| Fort Madison to Boone (North Carolina) | 605.82 mi (974.98 km) |
| Fort Madison to Borger (Texas) | 644.16 mi (1,036.68 km) |
| Fort Madison to Bossier City (Louisiana) | 574.04 mi (923.83 km) |
| Fort Madison to Boston (Massachusetts) | 1,053.21 mi (1,694.98 km) |
| Fort Madison to Bostonia (California) | 1,509.94 mi (2,430.01 km) |
| Fort Madison to Bothell (Washington) | 1,593.99 mi (2,565.28 km) |
| Fort Madison to Bothell East (Washington) | 1,593.33 mi (2,564.22 km) |
| Fort Madison to Bothell West (Washington) | 1,595.89 mi (2,568.34 km) |
| Fort Madison to Boulder (Colorado) | 732.69 mi (1,179.15 km) |
| Fort Madison to Boulder City (Nevada) | 1,317.04 mi (2,119.57 km) |
