| Le Mars to Bixby (Oklahoma) | 472.56 mi (760.51 km) |
| Le Mars to Black Forest (Colorado) | 512.55 mi (824.87 km) |
| Le Mars to Blackfoot (Idaho) | 816.60 mi (1,314.18 km) |
| Le Mars to Blackhawk (California) | 1,392.82 mi (2,241.53 km) |
| Le Mars to Blacksburg (Virginia) | 915.43 mi (1,473.24 km) |
| Le Mars to Blackwells Mills (New Jersey) | 1,122.43 mi (1,806.38 km) |
| Le Mars to Blaine (Minnesota) | 221.28 mi (356.12 km) |
| Le Mars to Bloomingdale (Florida) | 1,290.49 mi (2,076.84 km) |
| Le Mars to Bloomingdale (Illinois) | 416.49 mi (670.28 km) |
| Le Mars to Bloomington (California) | 1,292.41 mi (2,079.93 km) |
| Le Mars to Bloomington (Illinois) | 404.49 mi (650.96 km) |
| Le Mars to Bloomington (Indiana) | 561.46 mi (903.58 km) |
| Le Mars to Bloomington (Minnesota) | 200.89 mi (323.30 km) |
| Le Mars to Bloomsburg (Pennsylvania) | 1,019.17 mi (1,640.20 km) |
| Le Mars to Blue Ash (Ohio) | 660.66 mi (1,063.22 km) |
