| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Grace Creek | city | Maryland | United States | 38.76 | -76.27 | 3 | |
| Grace Harbour | city | Maryland | United States | 39.56 | -76.12 | 160 | |
| Graceham | city | Maryland | United States | 39.61 | -77.38 | 830 | |
| Graceland | city | Maryland | United States | 39.28 | -76.53 | 49 | |
| Graceton | city | Maryland | United States | 39.72 | -76.38 | 830 | |
| Graeloch Woods | city | Maryland | United States | 39.15 | -76.89 | 347 | |
| Grafton (historical) | city | Maryland | United States | 38.44 | -77.20 | 98 | |
| Grafton Heights | city | Maryland | United States | 39.55 | -76.25 | 347 | |
| Grafton Manor | city | Maryland | United States | 39.51 | -76.94 | 830 | |
| Grafton Shops (historical) | city | Maryland | United States | 39.58 | -76.40 | 830 | |
| Grahams Green Acres | city | Maryland | United States | 39.50 | -77.06 | 830 | |
| Grahamtown | city | Maryland | United States | 39.65 | -78.92 | 1899 | |
| Granby Woods | city | Maryland | United States | 39.16 | -77.12 | 830 | |
| Grand Meadows | city | Maryland | United States | 39.72 | -75.80 | 298 | |
| Grand Valley Acres | city | Maryland | United States | 39.71 | -76.97 | 905 | |
| Grand View | city | Maryland | United States | 39.40 | -76.96 | 830 | |
| Grand View Park | city | Maryland | United States | 39.10 | -76.69 | 144 | |
| Grange | city | Maryland | United States | 39.27 | -76.50 | 3 | |
| Granite | city | Maryland | United States | 39.34 | -76.86 | 400 | |
| Granite Knoll Farms | city | Maryland | United States | 39.63 | -76.13 | 314 | |
| Granite Mobile Home Park | city | Maryland | United States | 39.33 | -76.85 | 830 | |
| Grantham Hall | city | Maryland | United States | 38.70 | -76.62 | 98 | |
| Grantsville | city | Maryland | United States | 39.70 | -79.15 | 2509 | |
| Grasonville | city | Maryland | United States | 38.96 | -76.21 | 3 | |
| Grassmere Estates | city | Maryland | United States | 39.46 | -76.93 | 830 | |
| Gratitude | city | Maryland | United States | 39.14 | -76.26 | 0 | |
| Gravel Hill | city | Maryland | United States | 39.66 | -79.39 | 1870 | |
| Gravelly Hills | city | Maryland | United States | 38.37 | -76.82 | 98 | |
| Gravely | city | Maryland | United States | 38.96 | -76.63 | 98 | |
| Gray | city | Maryland | United States | 39.26 | -76.79 | 259 | |
| Gray Haven | city | Maryland | United States | 39.27 | -76.49 | 3 | |
| Gray Manor | city | Maryland | United States | 39.28 | -76.49 | 3 | |
| Gray Rock | city | Maryland | United States | 39.27 | -76.84 | 393 | |
| Gray Rock Farms | city | Maryland | United States | 39.27 | -76.84 | 347 | |
| Grays Corner | city | Maryland | United States | 38.35 | -75.17 | 16 | |
| Grays Estates | city | Maryland | United States | 38.72 | -76.56 | 98 | |
| Grays Level | city | Maryland | United States | 39.26 | -76.79 | 288 | |
| Graystone | city | Maryland | United States | 39.63 | -76.63 | 347 | |
| Graystone Estates | city | Maryland | United States | 38.52 | -77.08 | 147 | |
| Grayton | city | Maryland | United States | 38.43 | -77.20 | 49 | |
| Great Falls | city | Maryland | United States | 39.00 | -77.25 | 154 | |
| Great Meadows | city | Maryland | United States | 39.01 | -76.48 | 45 | |
| Great Mills | city | Maryland | United States | 38.24 | -76.50 | 49 | |
| Great Oak Estates | city | Maryland | United States | 39.26 | -76.20 | 3 | |
| Great Oak Landing | city | Maryland | United States | 39.26 | -76.20 | 3 | |
| Great Oak Manor | city | Maryland | United States | 39.27 | -76.17 | 3 | |
| Greater Capitol Heights | city | Maryland | United States | 38.88 | -76.92 | 242 | |
| Greater Landover | city | Maryland | United States | 38.93 | -76.90 | 49 | |
| Green Acres | city | Maryland | United States | 38.39 | -75.56 | 29 | |
| Green Acres | city | Maryland | United States | 38.96 | -77.10 | 249 | |
| Green Acres | city | Maryland | United States | 38.66 | -76.92 | 147 | |
| Green Acres | city | Maryland | United States | 39.62 | -76.92 | 1000 | |
| Green Acres | city | Maryland | United States | 38.27 | -76.59 | 98 | |
| Green Acres | city | Maryland | United States | 39.45 | -76.34 | 144 | |
| Green Acres Estates | city | Maryland | United States | 38.59 | -76.99 | 157 | |
| Green Briar | city | Maryland | United States | 39.49 | -75.89 | 22 | |
| Green Castle Woods | city | Maryland | United States | 39.09 | -76.94 | 314 | |
| Green Cove | city | Maryland | United States | 38.58 | -76.26 | 3 | |
| Green Forest Estates | city | Maryland | United States | 38.32 | -75.54 | 45 | |
| Green Gables | city | Maryland | United States | 39.12 | -76.45 | 3 | |
| Green Glade | city | Maryland | United States | 39.47 | -79.26 | 2509 | |
| Green Haven | city | Maryland | United States | 39.53 | -75.90 | 3 | |
| Green Haven | city | Maryland | United States | 39.14 | -76.55 | 49 | |
| Green Henge | city | Maryland | United States | 39.29 | -76.93 | 830 | |
| Green Hill | city | Maryland | United States | 38.31 | -75.78 | 6 | |
| Green Hill | city | Maryland | United States | 39.58 | -77.73 | 830 | |
| Green Hill Acres | city | Maryland | United States | 39.64 | -77.66 | 830 | |
| Green Hill Farm | city | Maryland | United States | 39.47 | -76.87 | 830 | |
| Green Hill Manor | city | Maryland | United States | 39.19 | -76.98 | 830 | |
| Green Hill Village | city | Maryland | United States | 38.30 | -75.76 | 6 | |
| Green Hills | city | Maryland | United States | 38.37 | -76.45 | 98 | |
| Green Hills | city | Maryland | United States | 39.31 | -77.27 | 830 | |
| Green Landing | city | Maryland | United States | 38.81 | -76.71 | 49 | |
| Green Manor | city | Maryland | United States | 38.96 | -76.93 | 42 | |
| Green Manor Estates | city | Maryland | United States | 38.46 | -77.25 | 65 | |
| Green Meadow | city | Maryland | United States | 39.72 | -76.67 | 830 | |
| Green Meadows | city | Maryland | United States | 38.62 | -77.09 | 147 | |
| Green Meadows | city | Maryland | United States | 38.97 | -76.98 | 49 | |
| Green Meadows | city | Maryland | United States | 38.64 | -76.62 | 141 | |
| Green Meadows | city | Maryland | United States | 39.65 | -77.17 | 830 | |
| Green Meadows | city | Maryland | United States | 39.28 | -77.02 | 830 | |
| Green Meadows Mobile Home Park | city | Maryland | United States | 38.43 | -75.57 | 32 | |
| Green Ridge | city | Maryland | United States | 39.59 | -78.43 | 830 | |
| Green Ridge | city | Maryland | United States | 39.42 | -76.61 | 360 | |
| Green Ridge | city | Maryland | United States | 39.55 | -76.31 | 393 | |
| Green Ridge Mobile Home Park | city | Maryland | United States | 38.34 | -75.12 | 6 | |
| Green Road Manor | city | Maryland | United States | 39.54 | -76.48 | 830 | |
| Green Spring | city | Maryland | United States | 38.60 | -76.77 | 147 | |
| Green Spring Furnace | city | Maryland | United States | 39.62 | -77.97 | 830 | |
| Green Spring Junction | city | Maryland | United States | 39.41 | -76.77 | 830 | |
| Green Springs Hills | city | Maryland | United States | 39.46 | -76.36 | 157 | |
| Green Tree Manor | city | Maryland | United States | 39.01 | -77.13 | 252 | |
| Green Valley | city | Maryland | United States | 39.31 | -77.30 | 830 | |
| Green Valley | city | Maryland | United States | 39.60 | -76.49 | 830 | |
| Green Valley | city | Maryland | United States | 39.52 | -76.16 | 62 | |
| Green Valley North | city | Maryland | United States | 39.45 | -76.72 | 830 | |
| Green Village | city | Maryland | United States | 39.50 | -77.37 | 298 | |
| Green Wood Knolls | city | Maryland | United States | 39.07 | -77.07 | 400 | |
| Greenbank Farms | city | Maryland | United States | 39.56 | -76.00 | 3 | |
| Greenbelt | city | Maryland | United States | 39.00 | -76.88 | 177 | |
| Greenberry Hills | city | Maryland | United States | 39.63 | -77.75 | 830 | |
| Greenbriar | city | Maryland | United States | 38.97 | -76.53 | 49 | |
| Greenbriar | city | Maryland | United States | 39.15 | -76.71 | 147 | |
| Greenbriar Gardens | city | Maryland | United States | 38.97 | -76.53 | 29 | |
| Greenbrier | city | Maryland | United States | 39.40 | -76.59 | 830 | |
| Greenbrier | city | Maryland | United States | 39.55 | -77.62 | 885 | |
| Greenbrier | city | Maryland | United States | 39.58 | -76.91 | 830 | |
| Greenbrier | city | Maryland | United States | 39.48 | -77.32 | 318 | |
| Greenbrier Hills | city | Maryland | United States | 39.54 | -76.32 | 249 | |
| Greencastle Manor | city | Maryland | United States | 39.07 | -76.92 | 288 | |
| Greencroft | city | Maryland | United States | 39.51 | -76.69 | 298 | |
| Greendale Estates | city | Maryland | United States | 39.53 | -76.49 | 406 | |
| Greene Fields | city | Maryland | United States | 39.19 | -76.96 | 830 | |
| Greene Tree | city | Maryland | United States | 39.39 | -76.73 | 830 | |
| Greenfield | city | Maryland | United States | 39.54 | -76.54 | 830 | |
| Greenfield | city | Maryland | United States | 39.71 | -77.00 | 866 | |
| Greenfield Acres | city | Maryland | United States | 39.67 | -76.07 | 341 | |
| Greenfield Acres | city | Maryland | United States | 39.26 | -77.45 | 305 | |
| Greenfield Mills | city | Maryland | United States | 39.26 | -77.44 | 272 | |
| Greenfields | city | Maryland | United States | 39.58 | -76.48 | 830 | |
| Greengate | city | Maryland | United States | 39.38 | -76.68 | 830 | |
| Greenhill | city | Maryland | United States | 38.12 | -75.66 | 13 | |
| Greenhills | city | Maryland | United States | 39.26 | -77.21 | 830 | |
| Greenholly | city | Maryland | United States | 39.05 | -76.46 | 52 | |
| Greenhurst | city | Maryland | United States | 39.67 | -76.02 | 416 | |
| Greenland | city | Maryland | United States | 38.43 | -75.49 | 72 | |
| Greenland Beach | city | Maryland | United States | 39.16 | -76.53 | 3 | |
| Greenland Manor | city | Maryland | United States | 39.69 | -77.15 | 830 | |
| Greenlawn | city | Maryland | United States | 38.38 | -75.55 | 32 | |
| Greenlawn Beach | city | Maryland | United States | 39.18 | -76.58 | 3 | |
| Greenlawn Shores | city | Maryland | United States | 39.18 | -76.57 | 3 | |
| Greenleaf | city | Maryland | United States | 39.50 | -76.96 | 830 | |
| Greenmont | city | Maryland | United States | 38.65 | -76.95 | 196 | |
| Greenmount | city | Maryland | United States | 39.63 | -76.86 | 830 | |
| Greenock | city | Maryland | United States | 38.82 | -76.63 | 147 | |
| Greenridge | city | Maryland | United States | 39.70 | -75.80 | 298 | |
| Greenridge Acres | city | Maryland | United States | 39.22 | -77.25 | 830 | |
| Greens Rest Manor | city | Maryland | United States | 38.20 | -76.49 | 95 | |
| Greensboro | city | Maryland | United States | 38.97 | -75.80 | 19 | |
| Greensburg | city | Maryland | United States | 39.68 | -77.56 | 830 | |
| Greenspring | city | Maryland | United States | 39.43 | -76.71 | 367 | |
| Greenspring Hill | city | Maryland | United States | 39.62 | -77.96 | 830 | |
| Greentop Manor | city | Maryland | United States | 39.47 | -76.63 | 351 | |
| Greentree | city | Maryland | United States | 39.13 | -76.64 | 52 | |
| Greenvale Village | city | Maryland | United States | 39.64 | -77.60 | 830 | |
| Greenview Knolls | city | Maryland | United States | 38.28 | -76.49 | 98 | |
| Greenwich Forest | city | Maryland | United States | 38.99 | -77.11 | 387 | |
| Greenwood | city | Maryland | United States | 39.44 | -76.49 | 216 | |
| Greenwood | city | Maryland | United States | 39.43 | -76.70 | 830 | |
| Greenwood Acres | city | Maryland | United States | 38.99 | -76.58 | 52 | |
| Greenwood Farms | city | Maryland | United States | 39.16 | -76.95 | 830 | |
| Greenwood Manor | city | Maryland | United States | 39.44 | -76.49 | 314 | |
| Greenwood Manor | city | Maryland | United States | 38.43 | -75.57 | 32 | |
| Greenwood Manor | city | Maryland | United States | 38.87 | -76.84 | 154 | |
| Greenwood Place | city | Maryland | United States | 38.34 | -75.12 | 6 | |
| Gregg Neck | city | Maryland | United States | 39.36 | -75.87 | 16 | |
| Grenada Manor | city | Maryland | United States | 38.38 | -75.51 | 49 | |
| Grey Estates | city | Maryland | United States | 39.05 | -77.02 | 324 | |
| Grey Rock | city | Maryland | United States | 39.39 | -76.74 | 830 | |
| Greystone Hills | city | Maryland | United States | 39.51 | -77.66 | 830 | |
| Griffin | city | Maryland | United States | 38.86 | -75.91 | 19 | |
| Griffith Park | city | Maryland | United States | 39.23 | -77.12 | 830 | |
| Grimes | city | Maryland | United States | 39.52 | -77.77 | 351 | |
| Grimesdale | city | Maryland | United States | 39.33 | -76.47 | 98 | |
| Grimesville | city | Maryland | United States | 39.69 | -76.71 | 830 | |
| Gristmill Hill | city | Maryland | United States | 39.71 | -77.84 | 830 | |
| Grose Close | city | Maryland | United States | 39.51 | -76.35 | 298 | |
| Gross Mill Estates | city | Maryland | United States | 39.63 | -76.83 | 830 | |
| Grossnickle | city | Maryland | United States | 39.53 | -77.23 | 830 | |
| Grosstown | city | Maryland | United States | 38.51 | -76.87 | 147 | |
| Grove | city | Maryland | United States | 38.75 | -75.88 | 52 | |
| Grove | city | Maryland | United States | 39.40 | -77.39 | 298 | |
| Grove Hill | city | Maryland | United States | 39.42 | -77.46 | 830 | |
| Grove Ridge | city | Maryland | United States | 39.21 | -76.64 | 147 |