| Monroe to Marrero (Louisiana) | 215.72 mi (347.16 km) |
| Monroe to Marshall (Minnesota) | 848.15 mi (1,364.97 km) |
| Monroe to Marshall (Missouri) | 460.07 mi (740.41 km) |
| Monroe to Marshall (Texas) | 132.48 mi (213.21 km) |
| Monroe to Marshalltown (Iowa) | 659.05 mi (1,060.63 km) |
| Monroe to Marshfield (Wisconsin) | 845.30 mi (1,360.37 km) |
| Monroe to Martha Lake (Washington) | 1,892.95 mi (3,046.41 km) |
| Monroe to Martin (Tennessee) | 321.61 mi (517.58 km) |
| Monroe to Martinez (California) | 1,728.51 mi (2,781.77 km) |
| Monroe to Martinez (Georgia) | 582.01 mi (936.66 km) |
| Monroe to Martinsburg (West Virginia) | 920.99 mi (1,482.18 km) |
| Monroe to Martinsville (Indiana) | 571.30 mi (919.42 km) |
| Monroe to Martinsville (New Jersey) | 1,117.47 mi (1,798.39 km) |
| Monroe to Martinsville (Virginia) | 751.12 mi (1,208.82 km) |
| Monroe to Maryland City (Maryland) | 967.27 mi (1,556.68 km) |
