| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Garfield Heights | city | District of Columbia | United States | 38.86 | -76.97 | 180 | |
| Gateway | city | District of Columbia | United States | 38.92 | -76.96 | 72 | |
| Georgetown | city | District of Columbia | United States | 38.90 | -77.06 | 42 | |
| Georgetown Heights (historical) | city | District of Columbia | United States | 38.92 | -77.07 | 154 | |
| Giesboro | city | District of Columbia | United States | 38.84 | -77.02 | 39 | |
| Glover Park | city | District of Columbia | United States | 38.92 | -77.08 | 252 | |
| Good Hope | city | District of Columbia | United States | 38.86 | -76.96 | 249 | |
| Greenway | city | District of Columbia | United States | 38.89 | -76.95 | 91 |