| Monroe to Bound Brook (New Jersey) | 1,118.22 mi (1,799.60 km) |
| Monroe to Bountiful (Utah) | 1,234.86 mi (1,987.31 km) |
| Monroe to Bourbonnais (Illinois) | 641.88 mi (1,033.00 km) |
| Monroe to Bowie (Maryland) | 966.50 mi (1,555.43 km) |
| Monroe to Bowling Green (Kentucky) | 443.88 mi (714.36 km) |
| Monroe to Bowling Green (Ohio) | 768.07 mi (1,236.09 km) |
| Monroe to Box Elder (South Dakota) | 996.81 mi (1,604.21 km) |
| Monroe to Boynton Beach (Florida) | 830.73 mi (1,336.92 km) |
| Monroe to Bozeman (Montana) | 1,358.48 mi (2,186.26 km) |
| Monroe to Bradenton (Florida) | 665.83 mi (1,071.55 km) |
| Monroe to Bradfordville (Florida) | 482.47 mi (776.45 km) |
| Monroe to Bradley (Illinois) | 641.33 mi (1,032.13 km) |
| Monroe to Bradley Gardens (New Jersey) | 1,112.13 mi (1,789.80 km) |
| Monroe to Brainerd (Minnesota) | 962.61 mi (1,549.17 km) |
| Monroe to Brambleton (Virginia) | 928.19 mi (1,493.77 km) |
