| Middle River to Malvern (Arkansas) | 967.49 mi (1,557.02 km) |
| Middle River to Manassas (Virginia) | 70.14 mi (112.89 km) |
| Middle River to Manassas Park (Virginia) | 67.43 mi (108.51 km) |
| Middle River to Manatí (Puerto Rico) | 1,562.76 mi (2,515.01 km) |
| Middle River to Manchester (Missouri) | 757.54 mi (1,219.14 km) |
| Middle River to Manchester (New Hampshire) | 360.99 mi (580.96 km) |
| Middle River to Manchester (Tennessee) | 593.30 mi (954.82 km) |
| Middle River to Manchester (Virginia) | 141.55 mi (227.80 km) |
| Middle River to Mandan (North Dakota) | 1,331.31 mi (2,142.53 km) |
| Middle River to Mandeville (Louisiana) | 990.08 mi (1,593.38 km) |
| Middle River to Mango (Florida) | 853.65 mi (1,373.81 km) |
| Middle River to Manhattan (Kansas) | 1,077.27 mi (1,733.69 km) |
| Middle River to Manhattan (New York) | 163.71 mi (263.47 km) |
| Middle River to Manhattan Beach (California) | 2,336.72 mi (3,760.59 km) |
| Middle River to Manitowoc (Wisconsin) | 666.16 mi (1,072.09 km) |
