| Le Mars to Bound Brook (New Jersey) | 1,123.81 mi (1,808.60 km) |
| Le Mars to Bountiful (Utah) | 817.35 mi (1,315.39 km) |
| Le Mars to Bourbonnais (Illinois) | 439.90 mi (707.95 km) |
| Le Mars to Bowie (Maryland) | 1,046.58 mi (1,684.31 km) |
| Le Mars to Bowling Green (Kentucky) | 653.17 mi (1,051.17 km) |
| Le Mars to Bowling Green (Ohio) | 648.90 mi (1,044.31 km) |
| Le Mars to Box Elder (South Dakota) | 358.42 mi (576.82 km) |
| Le Mars to Boynton Beach (Florida) | 1,442.94 mi (2,322.18 km) |
| Le Mars to Bozeman (Montana) | 762.32 mi (1,226.83 km) |
| Le Mars to Bradenton (Florida) | 1,302.63 mi (2,096.37 km) |
| Le Mars to Bradfordville (Florida) | 1,070.61 mi (1,722.98 km) |
| Le Mars to Bradley (Illinois) | 441.94 mi (711.23 km) |
| Le Mars to Bradley Gardens (New Jersey) | 1,117.18 mi (1,797.93 km) |
| Le Mars to Brainerd (Minnesota) | 265.38 mi (427.09 km) |
| Le Mars to Brambleton (Virginia) | 1,006.24 mi (1,619.39 km) |
