| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Maddox | city | Maryland | United States | 38.33 | -76.81 | 98 | |
| Madison | city | Maryland | United States | 38.51 | -76.22 | 3 | |
| Madison Place | city | Maryland | United States | 38.77 | -76.20 | 3 | |
| Madonna | city | Maryland | United States | 39.61 | -76.52 | 830 | |
| Madonna Hills | city | Maryland | United States | 39.66 | -76.49 | 830 | |
| Madonna Manor | city | Maryland | United States | 39.63 | -76.51 | 830 |