Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Glenelg Post Office | Post Office | 195 | Howard | 39 15 53 N | 076 59 32 W |
| Jackson Road Elementary School | School | 118 | Montgomery | 39 03 23 N | 076 59 32 W |
| White Oak Library | Building | 115 | Montgomery | 39 02 53 N | 076 59 32 W |
| Francis Scott Key Middle School | School | 101 | Montgomery | 39 01 38 N | 076 59 32 W |
| Oxon Hill Plaza Shopping Center | Locale | 56 | Prince George's | 38 48 16 N | 076 59 32 W |
| Oxon Hill Elementary School | School | 52 | Prince George's | 38 47 03 N | 076 59 32 W |
| Hunter Professional Center | Locale | 276 | Carroll | 39 32 57 N | 076 59 31 W |
| Dayton Meadows | Populated Place | 186 | Howard | 39 14 25 N | 076 59 31 W |
| Linden Chapel Hills | Populated Place | 160 | Howard | 39 13 52 N | 076 59 31 W |
| Clifton Park Village | Populated Place | 75 | Montgomery | 39 00 04 N | 076 59 31 W |
| New Hampshire Estates Elementary School | School | 71 | Montgomery | 38 59 53 N | 076 59 31 W |
| Northwest Branch Park | Park | 31 | Montgomery | 39 00 50 N | 076 59 31 W |
| South Lawn | Populated Place | 52 | Prince George's | 38 47 34 N | 076 59 31 W |
| Green Acres Estates | Populated Place | 61 | Charles | 38 35 33 N | 076 59 31 W |
| Potters Field Cemetery | Cemetery | 252 | Carroll | 39 33 20 N | 076 59 30 W |
| Washington Heights (subdivision) | Populated Place | 241 | Carroll | 39 34 03 N | 076 59 30 W |
| Grace United Methodist Church | Church | 55 | Prince George's | 38 58 36 N | 076 59 30 W |
| New Hampshire Gardens | Populated Place | 60 | Prince George's | 38 59 13 N | 076 59 30 W |
| Fort Washington Post Office | Post Office | 16 | Prince George's | 38 43 48 N | 076 59 30 W |
| Carroll Community College | School | 267 | Carroll | 39 31 50 N | 076 59 29 W |
| Carroll Plaza Shopping Center | Locale | 235 | Carroll | 39 35 03 N | 076 59 29 W |
| Lake Hashawha | Reservoir | 187 | Carroll | 39 38 46 N | 076 59 29 W |
| Westminster United Methodist Church | Church | 245 | Carroll | 39 34 17 N | 076 59 29 W |
| Gaither Manor | Populated Place | 179 | Carroll | 39 22 21 N | 076 59 29 W |
| Dunfretten Estates | Populated Place | 156 | Howard | 39 12 56 N | 076 59 29 W |
| Ashmead | Populated Place | 130 | Montgomery | 39 09 25 N | 076 59 29 W |
| Cloverly Park | Park | 153 | Montgomery | 39 06 26 N | 076 59 29 W |
| Sniders Estates | Populated Place | 161 | Montgomery | 39 06 44 N | 076 59 29 W |
| Olde Forte Village Shopping Center | Locale | 15 | Prince George's | 38 43 33 N | 076 59 29 W |
| Bel Alton Facility | School | 50 | Charles | 38 27 06 N | 076 59 29 W |
| Autumn Ridge | Populated Place | 228 | Carroll | 39 35 42 N | 076 59 28 W |
| Presidential Park | Populated Place | 228 | Carroll | 39 27 20 N | 076 59 28 W |
| Wilson Terrace | Populated Place | 196 | Carroll | 39 26 09 N | 076 59 28 W |
| Cresthaven | Populated Place | 88 | Montgomery | 39 01 30 N | 076 59 28 W |
| Our Lady of Sorrows Catholic Church | Church | 47 | Prince George's | 38 58 39 N | 076 59 28 W |
| Popes Creek | Populated Place | 3 | Charles | 38 23 56 N | 076 59 28 W |
| Harmony Grove Cemetery | Cemetery | 216 | Carroll | 39 26 53 N | 076 59 27 W |
| Harmony Grove Church | Church | 215 | Carroll | 39 26 51 N | 076 59 27 W |
| Long Branch | Stream | | Montgomery | 38 58 52 N | 076 59 27 W |
| Chillum | Populated Place | 45 | Prince George's | 38 57 49 N | 076 59 27 W |
| Southern Avenue Shopping Center | Locale | 28 | Prince George's | 38 49 41 N | 076 59 27 W |
| Oxon Hill Cemetery | Cemetery | 58 | Prince George's | 38 48 08 N | 076 59 27 W |
| Fort Washington United Methodist Church | Church | 57 | Prince George's | 38 42 45 N | 076 59 27 W |
| Sullivan Heights | Populated Place | 240 | Carroll | 39 35 24 N | 076 59 26 W |
| Brighton Pines | Populated Place | 139 | Howard | 39 12 30 N | 076 59 26 W |
| New Hampshire Estates | Populated Place | 70 | Montgomery | 38 59 49 N | 076 59 26 W |
| Our Lady of Sorrows School | School | 46 | Prince George's | 38 58 38 N | 076 59 26 W |
| Glassmanor Elementary School | School | 56 | Prince George's | 38 49 01 N | 076 59 26 W |
| Washington Memorial Christian Church | Church | 44 | Prince George's | 38 44 34 N | 076 59 26 W |
| Spring Valley | Populated Place | 62 | Charles | 38 36 07 N | 076 59 26 W |
| Alto Vista | Populated Place | 271 | Carroll | 39 33 15 N | 076 59 25 W |
| Carroll County General Hospital Heliport | Airport | 260 | Carroll | 39 33 32 N | 076 59 25 W |
| First Church of God | Church | 240 | Carroll | 39 34 17 N | 076 59 25 W |
| Hashawha Environmental Center | Park | 198 | Carroll | 39 38 50 N | 076 59 25 W |
| Westminster East Middle School | School | 246 | Carroll | 39 34 31 N | 076 59 25 W |
| Patapsco Estates | Populated Place | 158 | Carroll | 39 21 58 N | 076 59 25 W |
| Oxon Hill Post Office | Post Office | 57 | Prince George's | 38 48 10 N | 076 59 25 W |
| Oak Knolls | Populated Place | 56 | Charles | 38 34 48 N | 076 59 25 W |
| Westcliffe Manor | Populated Place | 176 | Howard | 39 20 20 N | 076 59 24 W |
| Gerber Knoll | Populated Place | 170 | Howard | 39 20 10 N | 076 59 24 W |
| Hillwood | Populated Place | 59 | Charles | 38 34 40 N | 076 59 24 W |
| Martin Spring | Spring | 195 | Carroll | 39 38 50 N | 076 59 23 W |
| Westminster Shopping Center | Locale | 230 | Carroll | 39 34 53 N | 076 59 23 W |
| Deep Run | Populated Place | 196 | Carroll | 39 41 06 N | 076 59 23 W |
| Gist | Populated Place | 221 | Carroll | 39 27 02 N | 076 59 23 W |
| Bloomfield Manor | Populated Place | 181 | Carroll | 39 22 26 N | 076 59 23 W |
| Foreman Branch Dam | Dam | 171 | Queen Anne's | 39 14 06 N | 076 59 23 W |
| Oxon Hill | Populated Place | 57 | Prince George's | 38 48 12 N | 076 59 23 W |
| Wellwood | Populated Place | 216 | Carroll | 39 29 07 N | 076 59 22 W |
| Swann Hills | Populated Place | 142 | Howard | 39 10 36 N | 076 59 22 W |
| District 12 (Oxon Hill) Election District | Civil | 58 | Prince George's | 38 47 34 N | 076 59 22 W |
| Cedar Lawn | Populated Place | 58 | Prince George's | 38 39 58 N | 076 59 22 W |
| Brookwood Acres | Populated Place | 66 | Charles | 38 36 45 N | 076 59 22 W |
| Church of the Ascension Episcopal Church | Church | 242 | Carroll | 39 34 13 N | 076 59 21 W |
| Morgan Run Environmental Area | Park | 206 | Carroll | 39 28 15 N | 076 59 21 W |
| White Oak Shopping Center | Locale | 115 | Montgomery | 39 02 31 N | 076 59 21 W |
| Chillum Gardens | Populated Place | 34 | Prince George's | 38 57 33 N | 076 59 21 W |
| Turkey Hill | Populated Place | 60 | Charles | 38 34 22 N | 076 59 21 W |
| La Plata North Industrial Park | Locale | 58 | Charles | 38 33 09 N | 076 59 21 W |
| Popes Creek | Stream | | Charles | 38 23 44 N | 076 59 21 W |
| Browns Corner | Populated Place | 159 | Montgomery | 39 07 20 N | 076 59 20 W |
| Brookview School | School | 96 | Montgomery | 39 01 04 N | 076 59 20 W |
| Zion Church | Church | 53 | Prince George's | 38 59 04 N | 076 59 20 W |
| Ridgecrest Elementary School | School | 38 | Prince George's | 38 57 58 N | 076 59 20 W |
| Friendly Hills | Populated Place | 47 | Prince George's | 38 45 22 N | 076 59 20 W |
| White Hall | Populated Place | 20 | Prince George's | 38 41 10 N | 076 59 20 W |
| Popes Creek Bridge | Bridge | 1 | Charles | 38 23 47 N | 076 59 20 W |
| Carroll County Courthouse | Building | 244 | Carroll | 39 34 15 N | 076 59 19 W |
| Church of the Ascension Burial Ground | Cemetery | 241 | Carroll | 39 34 13 N | 076 59 19 W |
| Cliftonbrook | Populated Place | 167 | Montgomery | 39 08 30 N | 076 59 19 W |
| Saint John De La Salle School | School | 41 | Prince George's | 38 57 39 N | 076 59 19 W |
| Wellington Woods | Populated Place | 51 | Charles | 38 39 00 N | 076 59 19 W |
| Oak Hill Estates | Populated Place | 56 | Charles | 38 35 20 N | 076 59 19 W |
| Hillandale Heights | Populated Place | 98 | Montgomery | 39 01 15 N | 076 59 18 W |
| Ashton Pond | Populated Place | 132 | Montgomery | 39 09 02 N | 076 59 17 W |
| Springbrook Manor | Populated Place | 110 | Montgomery | 39 02 59 N | 076 59 17 W |
| Chillum Manor | Populated Place | 38 | Prince George's | 38 58 14 N | 076 59 17 W |
| Forest Plaza Shopping Center | Locale | 62 | Prince George's | 38 42 43 N | 076 59 17 W |
| Mill Grove Gardens | Populated Place | 161 | Montgomery | 39 07 38 N | 076 59 16 W |
| Good Hope-Union United Methodist Church | Church | 146 | Montgomery | 39 05 45 N | 076 59 16 W |
| Smithville | Populated Place | 121 | Montgomery | 39 04 15 N | 076 59 16 W |
| Burnt Mills Knolls | Populated Place | 113 | Montgomery | 39 01 53 N | 076 59 16 W |
| Jennie Run Estates | Populated Place | 51 | Charles | 38 33 57 N | 076 59 16 W |
| East Springbrook | Populated Place | 106 | Montgomery | 39 03 30 N | 076 59 15 W |
| Cresthaven Elementary School | School | 114 | Montgomery | 39 01 39 N | 076 59 15 W |
| Quebec Terrace Park | Park | 61 | Montgomery | 39 00 02 N | 076 59 15 W |
| Bolton | Populated Place | 68 | Charles | 38 38 40 N | 076 59 15 W |
| Bel Alton Compary Fire Station | Building | 53 | Charles | 38 27 44 N | 076 59 15 W |
| Fairfield | Populated Place | 263 | Carroll | 39 33 08 N | 076 59 14 W |
| Ridgeways | Populated Place | 193 | Howard | 39 20 29 N | 076 59 14 W |