| Muscle Shoals to Marrero (Louisiana) | 365.36 mi (587.99 km) |
| Muscle Shoals to Marshall (Minnesota) | 797.94 mi (1,284.16 km) |
| Muscle Shoals to Marshall (Missouri) | 430.82 mi (693.35 km) |
| Muscle Shoals to Marshall (Texas) | 415.26 mi (668.29 km) |
| Muscle Shoals to Marshalltown (Iowa) | 578.77 mi (931.44 km) |
| Muscle Shoals to Marshfield (Wisconsin) | 698.43 mi (1,124.01 km) |
| Muscle Shoals to Martha Lake (Washington) | 1,988.84 mi (3,200.73 km) |
| Muscle Shoals to Martin (Tennessee) | 129.73 mi (208.78 km) |
| Muscle Shoals to Martinez (California) | 1,920.47 mi (3,090.70 km) |
| Muscle Shoals to Martinez (Georgia) | 327.62 mi (527.26 km) |
| Muscle Shoals to Martinsburg (West Virginia) | 623.41 mi (1,003.28 km) |
| Muscle Shoals to Martinsville (Indiana) | 329.51 mi (530.30 km) |
| Muscle Shoals to Martinsville (New Jersey) | 819.70 mi (1,319.18 km) |
| Muscle Shoals to Martinsville (Virginia) | 455.91 mi (733.72 km) |
| Muscle Shoals to Maryland City (Maryland) | 669.06 mi (1,076.74 km) |
