Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Chillum Heights | Populated Place | 23 | Prince George's | 38 57 35 N | 076 58 53 W |
| Henson Creek Golf Course | Locale | 31 | Prince George's | 38 47 19 N | 076 58 53 W |
| Hillandale School | School | 105 | Montgomery | 39 01 38 N | 076 58 52 W |
| McCormick School | School | 48 | Prince George's | 38 59 39 N | 076 58 52 W |
| Parkway School | School | 21 | Prince George's | 38 58 09 N | 076 58 52 W |
| Queens Road Elementary School | School | 53 | Prince George's | 38 49 07 N | 076 58 52 W |
| Charles County Government Building | Building | 54 | Charles | 38 31 52 N | 076 58 52 W |
| Folly Quarter Middle School | School | 192 | Howard | 39 15 55 N | 076 58 51 W |
| Oakview | Populated Place | 80 | Montgomery | 39 00 58 N | 076 58 51 W |
| Knollers Woods | Populated Place | 197 | Carroll | 39 25 25 N | 076 58 50 W |
| Lexington Run (subdivision) | Populated Place | 161 | Carroll | 39 22 05 N | 076 58 49 W |
| The Corners | Populated Place | 192 | Howard | 39 15 53 N | 076 58 49 W |
| Stewart Chapel (historical) | Church | 104 | Montgomery | 39 02 54 N | 076 58 49 W |
| Owens Road Elementary School | School | 54 | Prince George's | 38 49 04 N | 076 58 49 W |
| South Piscataway | Populated Place | 24 | Prince George's | 38 41 09 N | 076 58 49 W |
| Lyons Corner | Populated Place | 58 | Charles | 38 34 07 N | 076 58 49 W |
| Rosewick | Populated Place | 61 | Charles | 38 33 47 N | 076 58 49 W |
| Unitarian Universalist Church of Silver Spring | Church | 99 | Montgomery | 39 01 31 N | 076 58 48 W |
| Avenel | Populated Place | 60 | Prince George's | 39 00 09 N | 076 58 48 W |
| Tick Tock Plaza Shopping Center | Locale | 50 | Prince George's | 38 59 05 N | 076 58 48 W |
| Holy Trinity Mission Seminary | School | 59 | Prince George's | 39 00 08 N | 076 58 47 W |
| Jomar Acres | Populated Place | 44 | Prince George's | 38 43 25 N | 076 58 47 W |
| Carroll Meadows (subdivision) | Populated Place | 248 | Carroll | 39 34 47 N | 076 58 46 W |
| Maple Haven | Populated Place | 204 | Carroll | 39 27 25 N | 076 58 46 W |
| Carroll Manor Nursing Home | Hospital | 35 | Prince George's | 38 57 09 N | 076 58 46 W |
| De La Salle College | School | 44 | Prince George's | 38 56 59 N | 076 58 46 W |
| North Avondale | Populated Place | 19 | Prince George's | 38 57 18 N | 076 58 46 W |
| Christ Episcopal Church | Church | 55 | Charles | 38 31 48 N | 076 58 46 W |
| La Plata Community Building | Building | 55 | Charles | 38 31 10 N | 076 58 46 W |
| Drinks Run | Stream | | Charles | 38 24 03 N | 076 58 46 W |
| Trunk Gut | Stream | | Charles | 38 22 02 N | 076 58 46 W |
| Klees Mill Terrace | Populated Place | 205 | Carroll | 39 27 18 N | 076 58 45 W |
| Eugene Burroughs Middle School | School | 22 | Prince George's | 38 41 17 N | 076 58 45 W |
| Sacred Heart Catholic Church | Church | 55 | Charles | 38 31 34 N | 076 58 45 W |
| Wills Memorial Park | Park | 56 | Charles | 38 31 10 N | 076 58 45 W |
| Willow Gate (subdivision) | Populated Place | 61 | Charles | 38 32 34 N | 076 58 44 W |
| Ivory | Populated Place | 174 | Howard | 39 16 57 N | 076 58 43 W |
| Triadelphia Ridge Elementary School | School | 195 | Howard | 39 15 58 N | 076 58 43 W |
| Round Oak Missionary Baptist Church | Church | 154 | Montgomery | 39 06 53 N | 076 58 43 W |
| Green Meadows | Populated Place | 17 | Prince George's | 38 58 03 N | 076 58 43 W |
| Barnaby Run Park | Park | 39 | Prince George's | 38 49 48 N | 076 58 43 W |
| Friendly | Populated Place | 72 | Prince George's | 38 45 06 N | 076 58 43 W |
| Charles County Courthouse | Building | 56 | Charles | 38 31 48 N | 076 58 43 W |
| Shannon Run (subdivision) | Populated Place | 155 | Carroll | 39 22 16 N | 076 58 42 W |
| Spencerville | Populated Place | 152 | Montgomery | 39 06 51 N | 076 58 42 W |
| Pied Piper School (historical) | School | 91 | Montgomery | 39 02 56 N | 076 58 42 W |
| Chapel Hill School (historical) | School | 64 | Prince George's | 38 43 43 N | 076 58 42 W |
| Faulkner | Populated Place | 47 | Charles | 38 26 20 N | 076 58 42 W |
| Harrington | Populated Place | 265 | Carroll | 39 32 24 N | 076 58 41 W |
| One Hundred Forty Village Shopping Center | Locale | 275 | Carroll | 39 33 52 N | 076 58 41 W |
| Huckleberry Branch | Stream | | Charles | 38 24 51 N | 076 58 41 W |
| Random House Park | Park | 206 | Carroll | 39 35 13 N | 076 58 40 W |
| Hawk Ridge (subdivision) | Populated Place | 179 | Carroll | 39 22 35 N | 076 58 40 W |
| Pine Hill | Populated Place | 100 | Montgomery | 39 02 35 N | 076 58 40 W |
| Henry G Ferguson Elementary School | School | 29 | Prince George's | 38 41 06 N | 076 58 40 W |
| Middletown School (historical) | School | 60 | Charles | 38 35 57 N | 076 58 40 W |
| Chris Mar Estates | Populated Place | 166 | Howard | 39 11 57 N | 076 58 39 W |
| Jocelyn Acres | Populated Place | 167 | Howard | 39 11 44 N | 076 58 39 W |
| Spencerville Junior Academy | School | 157 | Montgomery | 39 07 01 N | 076 58 39 W |
| Good Shepherd United Methodist Church | Church | 98 | Montgomery | 39 00 52 N | 076 58 39 W |
| Potomac High School | School | 56 | Prince George's | 38 49 17 N | 076 58 39 W |
| Rosecroft Park School | School | 69 | Prince George's | 38 47 54 N | 076 58 39 W |
| Hunters Mill Recreation Area | Park | 43 | Prince George's | 38 45 46 N | 076 58 39 W |
| Grace Church | Church | 64 | Prince George's | 38 43 45 N | 076 58 39 W |
| La Plata Post Office | Post Office | 58 | Charles | 38 31 43 N | 076 58 39 W |
| Sacred Heart Cemetery | Cemetery | 50 | Charles | 38 31 17 N | 076 58 39 W |
| Ravens Crest Creek | Stream | | Charles | 38 22 21 N | 076 58 39 W |
| Wilimot Manor | Populated Place | 259 | Carroll | 39 30 56 N | 076 58 38 W |
| Bixler | Populated Place | 231 | Carroll | 39 37 52 N | 076 58 38 W |
| Spencerville Recreation Center | Park | 141 | Montgomery | 39 06 42 N | 076 58 38 W |
| Faulkner Post Office | Post Office | 46 | Charles | 38 26 18 N | 076 58 38 W |
| Church of Our Saviour | Church | 92 | Montgomery | 39 01 22 N | 076 58 37 W |
| Charowood (subdivision) | Populated Place | 56 | Charles | 38 31 10 N | 076 58 37 W |
| Maxwelton (subdivision) | Populated Place | 57 | Charles | 38 31 02 N | 076 58 37 W |
| Interchange 28 | Crossing | 93 | Montgomery | 39 01 08 N | 076 58 36 W |
| Warrlinda | Populated Place | 60 | Charles | 38 34 05 N | 076 58 36 W |
| Morgantown Generating Plant | Building | 4 | Charles | 38 21 33 N | 076 58 36 W |
| Lower Cedar Point | Cape | 3 | Charles | 38 20 34 N | 076 58 36 W |
| Hollywood Volunteer Rescue Squad Company 79 | Building | | St. Mary's | 38 35 22 N | 076 58 35 W |
| Deer Park Cemetery | Cemetery | 263 | Carroll | 39 30 47 N | 076 58 35 W |
| Church of the Open Door | Church | 271 | Carroll | 39 33 59 N | 076 58 35 W |
| Village of Bachman | Populated Place | 240 | Carroll | 39 37 22 N | 076 58 35 W |
| Brookside Manor | Populated Place | 15 | Prince George's | 38 57 53 N | 076 58 35 W |
| Billingsley Post Office (historical) | Post Office | 61 | Charles | 38 36 17 N | 076 58 35 W |
| Buckingham View | Populated Place | 270 | Carroll | 39 33 30 N | 076 58 34 W |
| Parkside | Populated Place | 182 | Carroll | 39 25 36 N | 076 58 34 W |
| Hugh Thomas Wildlife Management Area | Park | 161 | Howard | 39 21 34 N | 076 58 34 W |
| Saint Cecilia Chapel | Church | 34 | Prince George's | 38 58 17 N | 076 58 34 W |
| Avondale Terrace | Populated Place | 29 | Prince George's | 38 57 12 N | 076 58 34 W |
| Valley View Elementary School | School | 76 | Prince George's | 38 48 42 N | 076 58 34 W |
| Friendly Farms | Populated Place | 63 | Prince George's | 38 44 07 N | 076 58 34 W |
| Bel Alton Estates | Populated Place | 48 | Charles | 38 28 05 N | 076 58 34 W |
| Southern Avenue Metro Station | Locale | 47 | Prince George's | 38 50 25 N | 076 58 33 W |
| Middletown | Populated Place | 63 | Charles | 38 36 26 N | 076 58 33 W |
| Pasquahanza Creek | Stream | | Charles | 38 21 14 N | 076 58 33 W |
| Calvert County Fire/Rescue/Emergency Medical Services Division | Building | | Calvert | 38 54 32 N | 076 58 32 W |
| Deerpark Church | Church | 269 | Carroll | 39 30 45 N | 076 58 32 W |
| Peach Brandy Village | Populated Place | 264 | Carroll | 39 30 05 N | 076 58 32 W |
| Union Schoolhouse (historical) | School | 270 | Carroll | 39 30 46 N | 076 58 32 W |
| Linden Church | Church | 171 | Howard | 39 13 50 N | 076 58 31 W |
| Pallotti College | School | 34 | Prince George's | 38 58 14 N | 076 58 31 W |
| Avondale | Populated Place | 31 | Prince George's | 38 56 55 N | 076 58 31 W |
| Fort Foote Estates | Populated Place | 68 | Prince George's | 38 44 29 N | 076 58 31 W |
| La Plata | Populated Place | 58 | Charles | 38 31 45 N | 076 58 31 W |
| Emerald Valley | Populated Place | 182 | Carroll | 39 24 33 N | 076 58 30 W |
| District 17 (Chillum) Election District | Civil | 26 | Prince George's | 38 58 22 N | 076 58 30 W |
| Pine Knoll | Populated Place | 271 | Carroll | 39 33 40 N | 076 58 29 W |
| Ski Acres | Populated Place | 195 | Carroll | 39 27 13 N | 076 58 29 W |
| Annandale | Populated Place | 192 | Howard | 39 19 24 N | 076 58 29 W |
| Hillandale Shopping Center | Locale | 99 | Montgomery | 39 01 15 N | 076 58 29 W |