| Upper Grand Lagoon to Montgomeryville (Pennsylvania) | 913.21 mi (1,469.67 km) |
| Upper Grand Lagoon to Monticello (Minnesota) | 1,132.90 mi (1,823.23 km) |
| Upper Grand Lagoon to Montrose (Colorado) | 1,381.64 mi (2,223.53 km) |
| Upper Grand Lagoon to Moody (Alabama) | 241.07 mi (387.97 km) |
| Upper Grand Lagoon to Moore (Oklahoma) | 768.74 mi (1,237.17 km) |
| Upper Grand Lagoon to Moorestown-Lenola (New Jersey) | 909.38 mi (1,463.51 km) |
| Upper Grand Lagoon to Mooresville (North Carolina) | 470.30 mi (756.87 km) |
| Upper Grand Lagoon to Moorhead (Minnesota) | 1,295.12 mi (2,084.30 km) |
| Upper Grand Lagoon to Moorpark (California) | 1,948.85 mi (3,136.38 km) |
| Upper Grand Lagoon to Moraga (California) | 2,135.73 mi (3,437.13 km) |
| Upper Grand Lagoon to Moreno Valley (California) | 1,853.54 mi (2,982.98 km) |
| Upper Grand Lagoon to Morgan City (Louisiana) | 327.94 mi (527.77 km) |
| Upper Grand Lagoon to Morgan Hill (California) | 2,106.90 mi (3,390.73 km) |
| Upper Grand Lagoon to Morganton (North Carolina) | 450.53 mi (725.05 km) |
| Upper Grand Lagoon to Morgantown (West Virginia) | 731.59 mi (1,177.39 km) |
