| Humacao to Marshall (Minnesota) | 2,508.87 mi (4,037.64 km) |
| Humacao to Marshall (Missouri) | 2,187.19 mi (3,519.94 km) |
| Humacao to Marshall (Texas) | 2,030.14 mi (3,267.20 km) |
| Humacao to Marshalltown (Iowa) | 2,292.41 mi (3,689.28 km) |
| Humacao to Marshfield (Wisconsin) | 2,308.65 mi (3,715.42 km) |
| Humacao to Martha Lake (Washington) | 3,750.75 mi (6,036.25 km) |
| Humacao to Martin (Tennessee) | 1,882.64 mi (3,029.81 km) |
| Humacao to Martinez (California) | 3,634.61 mi (5,849.34 km) |
| Humacao to Martinez (Georgia) | 1,463.04 mi (2,354.54 km) |
| Humacao to Martinsburg (West Virginia) | 1,642.08 mi (2,642.67 km) |
| Humacao to Martinsville (Indiana) | 1,917.78 mi (3,086.37 km) |
| Humacao to Martinsville (New Jersey) | 1,636.15 mi (2,633.13 km) |
| Humacao to Martinsville (Virginia) | 1,539.02 mi (2,476.81 km) |
| Humacao to Maryland City (Maryland) | 1,590.36 mi (2,559.44 km) |
| Humacao to Maryland Heights (Missouri) | 2,051.71 mi (3,301.91 km) |
