| Monroe to Brown Deer (Wisconsin) | 769.25 mi (1,237.98 km) |
| Monroe to Brownsburg (Indiana) | 596.61 mi (960.14 km) |
| Monroe to Brownsville (Florida) | 849.95 mi (1,367.87 km) |
| Monroe to Brownsville (Texas) | 554.94 mi (893.09 km) |
| Monroe to Brownwood (Texas) | 407.50 mi (655.80 km) |
| Monroe to Brunswick (Georgia) | 629.32 mi (1,012.79 km) |
| Monroe to Brunswick (Ohio) | 826.47 mi (1,330.07 km) |
| Monroe to Brushy Creek (Texas) | 361.04 mi (581.03 km) |
| Monroe to Bryan (Texas) | 283.77 mi (456.68 km) |
| Monroe to Bryant (Arkansas) | 146.82 mi (236.28 km) |
| Monroe to Bryn Mawr-Skyway (Washington) | 1,883.91 mi (3,031.85 km) |
| Monroe to Buckeye (Arizona) | 1,191.77 mi (1,917.96 km) |
| Monroe to Buckhall (Virginia) | 925.24 mi (1,489.02 km) |
| Monroe to Bucyrus (Ohio) | 762.33 mi (1,226.86 km) |
| Monroe to Buda (Texas) | 380.16 mi (611.80 km) |
