| Monroe to Blue Island (Illinois) | 676.10 mi (1,088.08 km) |
| Monroe to Blue Springs (Missouri) | 465.20 mi (748.67 km) |
| Monroe to Bluffdale (Utah) | 1,228.64 mi (1,977.31 km) |
| Monroe to Bluffton (Indiana) | 684.61 mi (1,101.78 km) |
| Monroe to Bluffton (South Carolina) | 650.51 mi (1,046.89 km) |
| Monroe to Blythe (California) | 1,304.85 mi (2,099.95 km) |
| Monroe to Blytheville (Arkansas) | 266.49 mi (428.88 km) |
| Monroe to Boca Raton (Florida) | 835.09 mi (1,343.95 km) |
| Monroe to Boerne (Texas) | 436.20 mi (702.00 km) |
| Monroe to Bogalusa (Louisiana) | 177.10 mi (285.01 km) |
| Monroe to Boiling Springs (South Carolina) | 605.36 mi (974.24 km) |
| Monroe to Boise (Idaho) | 1,512.53 mi (2,434.17 km) |
| Monroe to Bolingbrook (Illinois) | 670.28 mi (1,078.71 km) |
| Monroe to Bolivar (Missouri) | 359.57 mi (578.67 km) |
| Monroe to Bon Air (Virginia) | 889.31 mi (1,431.20 km) |
