| Upper Grand Lagoon to Marrero (Louisiana) | 262.23 mi (422.02 km) |
| Upper Grand Lagoon to Marshall (Minnesota) | 1,128.63 mi (1,816.35 km) |
| Upper Grand Lagoon to Marshall (Missouri) | 748.93 mi (1,205.29 km) |
| Upper Grand Lagoon to Marshall (Texas) | 533.57 mi (858.70 km) |
| Upper Grand Lagoon to Marshalltown (Iowa) | 911.36 mi (1,466.69 km) |
| Upper Grand Lagoon to Marshfield (Wisconsin) | 1,030.10 mi (1,657.79 km) |
| Upper Grand Lagoon to Martha Lake (Washington) | 2,277.54 mi (3,665.35 km) |
| Upper Grand Lagoon to Martin (Tennessee) | 462.53 mi (744.37 km) |
| Upper Grand Lagoon to Martinez (California) | 2,136.04 mi (3,437.62 km) |
| Upper Grand Lagoon to Martinez (Georgia) | 315.12 mi (507.14 km) |
| Upper Grand Lagoon to Martinsburg (West Virginia) | 777.64 mi (1,251.49 km) |
| Upper Grand Lagoon to Martinsville (Indiana) | 640.03 mi (1,030.02 km) |
| Upper Grand Lagoon to Martinsville (New Jersey) | 955.06 mi (1,537.02 km) |
| Upper Grand Lagoon to Martinsville (Virginia) | 563.10 mi (906.22 km) |
| Upper Grand Lagoon to Maryland City (Maryland) | 798.45 mi (1,284.98 km) |
