| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| D.C. | city | District of Columbia | United States | 38.90 | -77.04 | 9 | |
| Deanwood | city | District of Columbia | United States | 38.90 | -76.93 | 137 | |
| District of Columbia | city | District of Columbia | United States | 38.90 | -77.04 | 9 | |
| Dobbins Addition (historical) | city | District of Columbia | United States | 38.93 | -77.01 | 147 | |
| Douglass Dwellings | city | District of Columbia | United States | 38.85 | -76.98 | 170 | |
| Dupont Circle | city | District of Columbia | United States | 38.91 | -77.04 | 52 | |
| Dupont Park | city | District of Columbia | United States | 38.87 | -76.95 | 246 |