| Humacao to Monticello (Minnesota) | 2,469.14 mi (3,973.69 km) |
| Humacao to Montrose (Colorado) | 2,882.87 mi (4,639.53 km) |
| Humacao to Moody (Alabama) | 1,664.49 mi (2,678.74 km) |
| Humacao to Moore (Oklahoma) | 2,269.99 mi (3,653.20 km) |
| Humacao to Moorestown-Lenola (New Jersey) | 1,602.91 mi (2,579.63 km) |
| Humacao to Mooresville (North Carolina) | 1,514.42 mi (2,437.22 km) |
| Humacao to Moorhead (Minnesota) | 2,647.03 mi (4,259.98 km) |
| Humacao to Moorpark (California) | 3,430.90 mi (5,521.50 km) |
| Humacao to Moraga (California) | 3,633.90 mi (5,848.20 km) |
| Humacao to Moreno Valley (California) | 3,333.35 mi (5,364.51 km) |
| Humacao to Morgan City (Louisiana) | 1,784.28 mi (2,871.53 km) |
| Humacao to Morgan Hill (California) | 3,602.98 mi (5,798.43 km) |
| Humacao to Morganton (North Carolina) | 1,555.25 mi (2,502.94 km) |
| Humacao to Morgantown (West Virginia) | 1,707.84 mi (2,748.50 km) |
| Humacao to Morris (Illinois) | 2,087.41 mi (3,359.36 km) |
