| Le Mars to Badger (Alaska) | 2,478.64 mi (3,988.99 km) |
| Le Mars to Bailey's Crossroads (Virginia) | 1,029.69 mi (1,657.13 km) |
| Le Mars to Bainbridge (Georgia) | 1,039.34 mi (1,672.66 km) |
| Le Mars to Bainbridge Island (Washington) | 1,319.73 mi (2,123.89 km) |
| Le Mars to Baker (Louisiana) | 886.97 mi (1,427.44 km) |
| Le Mars to Bakersfield (California) | 1,324.14 mi (2,130.99 km) |
| Le Mars to Balch Springs (Texas) | 695.61 mi (1,119.47 km) |
| Le Mars to Baldwin (New York) | 1,169.54 mi (1,882.19 km) |
| Le Mars to Baldwin (Pennsylvania) | 852.68 mi (1,372.25 km) |
| Le Mars to Baldwin Park (California) | 1,318.69 mi (2,122.22 km) |
| Le Mars to Ballenger Creek (Maryland) | 1,002.23 mi (1,612.93 km) |
| Le Mars to Ballwin (Missouri) | 412.67 mi (664.12 km) |
| Le Mars to Baltimore (Maryland) | 1,044.56 mi (1,681.06 km) |
| Le Mars to Bangor (Maine) | 1,366.19 mi (2,198.68 km) |
| Le Mars to Banning (California) | 1,273.13 mi (2,048.90 km) |
