Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Central Baptist Church | Church | 55 | Baltimore (city) | 39 17 16 N | 076 38 59 W |
| Chesapeake Landing | Populated Place | 55 | Cecil | 39 34 30 N | 076 03 04 W |
| Cheverly | Populated Place | 55 | Prince George's | 38 55 41 N | 076 54 57 W |
| Christ Church Cemetery | Cemetery | 55 | Prince George's | 38 34 15 N | 076 43 41 W |
| Christ Episcopal Church | Church | 55 | Charles | 38 31 48 N | 076 58 46 W |
| Civista Medical Center | Hospital | 55 | Charles | 38 31 49 N | 076 58 21 W |
| Colby Park | Park | 55 | Prince George's | 38 58 30 N | 076 59 58 W |
| College Park Woods | Populated Place | 55 | Prince George's | 39 00 31 N | 076 57 04 W |
| Collington | Populated Place | 55 | Prince George's | 38 58 06 N | 076 45 35 W |
| Columbia Park | Populated Place | 55 | Charles | 38 35 35 N | 077 00 22 W |
| Cooper Lane Academy | School | 55 | Prince George's | 38 56 22 N | 076 53 59 W |
| Crisfield Crossing | Populated Place | 55 | Harford | 39 28 13 N | 076 19 30 W |
| Cylburn (historical) | Populated Place | 55 | Baltimore (city) | 39 21 35 N | 076 39 04 W |
| District 8 (Aquasco) Election District | Civil | 55 | Prince George's | 38 36 35 N | 076 43 33 W |
| Downs Cemetery | Cemetery | 55 | Anne Arundel | 39 06 24 N | 076 45 05 W |
| Dubois Park | Populated Place | 55 | Charles | 38 28 32 N | 076 50 20 W |
| Edelen Estates | Populated Place | 55 | Charles | 38 32 55 N | 076 49 54 W |
| Edgemeade School | School | 55 | Prince George's | 38 43 08 N | 076 46 30 W |
| Elkridge Baptist Church | Church | 55 | Howard | 39 12 32 N | 076 44 19 W |
| Ellicott City | Populated Place | 55 | Howard | 39 16 02 N | 076 47 54 W |
| Emmanuel Baptist Church | Church | 55 | Baltimore | 39 21 35 N | 076 31 16 W |
| Farmington Road Estates | Populated Place | 55 | Prince George's | 38 40 20 N | 077 01 22 W |
| Forest Glen Estates | Populated Place | 55 | Charles | 38 36 54 N | 076 48 59 W |
| Forest Heights Baptist Church | Church | 55 | Prince George's | 38 48 10 N | 076 59 44 W |
| Forest Park | Populated Place | 55 | Charles | 38 35 42 N | 076 52 03 W |
| Fort George G Mead Junction | Populated Place | 55 | Howard | 39 07 33 N | 076 47 21 W |
| Fullerton Plaza Shopping Center | Locale | 55 | Baltimore | 39 22 25 N | 076 30 31 W |
| Glenn Dale Golf Club | Locale | 55 | Prince George's | 38 59 03 N | 076 48 08 W |
| Glenn Dale Hospital | Hospital | 55 | Prince George's | 38 57 46 N | 076 48 51 W |
| Goddard | Populated Place | 55 | Prince George's | 38 59 22 N | 076 51 12 W |
| Good Luck (historical) | Populated Place | 55 | Prince George's | 38 59 36 N | 076 49 57 W |
| Grace United Methodist Church | Church | 55 | Prince George's | 38 58 36 N | 076 59 30 W |
| Greater New Hope Baptist Church | Church | 55 | Baltimore (city) | 39 18 34 N | 076 39 44 W |
| Green Acres | Populated Place | 55 | Prince George's | 38 39 34 N | 076 54 55 W |
| Hammond Park | Populated Place | 55 | Anne Arundel | 39 04 34 N | 076 41 17 W |
| Hanover Hills | Populated Place | 55 | Anne Arundel | 39 09 41 N | 076 45 24 W |
| Hanson Junior High School | School | 55 | Prince George's | 38 48 08 N | 076 59 34 W |
| Harford Furnace School | School | 55 | Harford | 39 29 25 N | 076 14 49 W |
| Harmans Park | Park | 55 | Anne Arundel | 39 09 10 N | 076 42 57 W |
| Hartley (historical) | Populated Place | 55 | Baltimore | 39 26 55 N | 076 28 22 W |
| Hawthorne Country Club | Locale | 55 | Charles | 38 32 32 N | 077 00 37 W |
| Hidden Spring Trail | Trail | 55 | Charles | 38 38 31 N | 076 49 49 W |
| Holy Family Roman Catholic Church | Church | 55 | Anne Arundel | 38 55 18 N | 076 37 47 W |
| Hughesville | Populated Place | 55 | Charles | 38 31 57 N | 076 47 02 W |
| Hughesville Company 2 Fire Station | Building | 55 | Charles | 38 31 59 N | 076 46 53 W |
| Hughesville Industrial Park | Locale | 55 | Charles | 38 32 00 N | 076 46 24 W |
| Hughesville Pond | Reservoir | 55 | Charles | 38 32 56 N | 076 48 09 W |
| Hughesville Pond Recreation Area | Park | 55 | Charles | 38 32 54 N | 076 48 14 W |
| Hughesville Post Office | Post Office | 55 | Charles | 38 32 09 N | 076 46 15 W |
| Interchange 10 | Crossing | 55 | Baltimore (city) | 39 21 37 N | 076 39 01 W |
| John Hanson Montessori Elementary School | School | 55 | Prince George's | 38 48 11 N | 076 59 34 W |
| Kenwood Shopping Center | Locale | 55 | Baltimore | 39 20 31 N | 076 30 25 W |
| Kings Grant (subdivision) | Populated Place | 55 | Charles | 38 32 10 N | 076 56 29 W |
| Kingsford Elementary School | School | 55 | Prince George's | 38 56 32 N | 076 47 55 W |
| La Plata Community Building | Building | 55 | Charles | 38 31 10 N | 076 58 46 W |
| La Plata Town Hall | Building | 55 | Charles | 38 31 45 N | 076 58 17 W |
| Lafayette Square | Park | 55 | Baltimore (city) | 39 17 54 N | 076 38 11 W |
| Langley Park Shopping Center | Locale | 55 | Prince George's | 38 59 22 N | 076 59 10 W |
| Laurel Elementary School | School | 55 | Prince George's | 39 06 18 N | 076 51 08 W |
| Laurel Shopping Center | Locale | 55 | Prince George's | 39 05 46 N | 076 51 15 W |
| Leeds | Populated Place | 55 | Anne Arundel | 39 09 27 N | 076 42 34 W |
| Loudon Park National Cemetery | Cemetery | 55 | Baltimore (city) | 39 16 30 N | 076 40 59 W |
| Macedonia Cemetery | Cemetery | 55 | Charles | 38 38 22 N | 077 04 14 W |
| Magnolia Trail | Trail | 55 | Prince George's | 38 39 03 N | 076 48 23 W |
| Marlton Neighborhood Park | Park | 55 | Prince George's | 38 45 45 N | 076 47 27 W |
| Martin Luther King Academic Center Magnet Middle School | School | 55 | Prince George's | 39 03 17 N | 076 54 34 W |
| Meadow Ridge Memorial Park Cemetery | Cemetery | 55 | Howard | 39 11 18 N | 076 45 50 W |
| Meadowbrook | Populated Place | 55 | Charles | 38 35 30 N | 076 51 49 W |
| Meridan Nursing Home | Hospital | 55 | Charles | 38 32 20 N | 076 59 14 W |
| Metropolitan Church | Church | 55 | Charles | 38 37 08 N | 077 04 34 W |
| Milton M Somers Middle School | School | 55 | Charles | 38 31 26 N | 076 58 22 W |
| Milton Somers School | School | 55 | Charles | 38 31 26 N | 076 58 23 W |
| Mount Augustine | Populated Place | 55 | Howard | 39 12 30 N | 076 42 54 W |
| Newmarket | Populated Place | 55 | St. Mary's | 38 28 25 N | 076 46 28 W |
| Northgate | Populated Place | 55 | Charles | 38 36 48 N | 076 53 03 W |
| Notre Dame High School | School | 55 | Charles | 38 32 24 N | 076 50 15 W |
| Odenton Branch Library | Building | 55 | Anne Arundel | 39 04 54 N | 076 41 41 W |
| Old Field Cemetery | Cemetery | 55 | Charles | 38 32 27 N | 076 45 37 W |
| Old Field Church | Church | 55 | Charles | 38 32 25 N | 076 45 38 W |
| Owensville Church | Church | 55 | Anne Arundel | 38 51 03 N | 076 35 47 W |
| Panorama Elementary School | School | 55 | Prince George's | 38 48 11 N | 076 59 34 W |
| Park Police Police Station | Building | 55 | Montgomery | 38 58 00 N | 077 08 14 W |
| Physicians Memorial Hospital | Hospital | 55 | Charles | 38 31 46 N | 076 58 21 W |
| Piney Orchard Business Park | Locale | 55 | Anne Arundel | 39 04 15 N | 076 43 04 W |
| Pleasant Run Shopping Center | Locale | 55 | Prince George's | 39 03 20 N | 076 50 14 W |
| Potomac Business Park | Locale | 55 | Prince George's | 38 48 02 N | 076 59 46 W |
| Ramsgate Estates (subdivision) | Populated Place | 55 | Harford | 39 31 49 N | 076 10 19 W |
| Randolph Village | Populated Place | 55 | Prince George's | 38 53 22 N | 076 51 46 W |
| Red Gate School | School | 55 | Charles | 38 26 00 N | 076 48 41 W |
| Robert Stethem Memorial Complex | Park | 55 | Charles | 38 35 20 N | 076 53 08 W |
| Rosecroft Shopping Center | Locale | 55 | Prince George's | 38 48 10 N | 076 57 09 W |
| Rosedale Area Branch Baltimore County Public Library | Building | 55 | Baltimore | 39 20 31 N | 076 30 19 W |
| Rowsers Ford | Crossing | 55 | Montgomery | 39 03 52 N | 077 19 54 W |
| Ryceville | Populated Place | 55 | Charles | 38 26 08 N | 076 49 50 W |
| Sacred Heart Catholic Church | Church | 55 | Charles | 38 31 34 N | 076 58 45 W |
| Saint James Episcopal Church | Church | 55 | Baltimore (city) | 39 17 56 N | 076 38 08 W |
| Saint Marks Baptist Church | Church | 55 | Baltimore (city) | 39 17 48 N | 076 39 12 W |
| Saint Marys Cemetery | Cemetery | 55 | Charles | 38 32 23 N | 076 50 11 W |
| Saints Philip and James School | School | 55 | Baltimore (city) | 39 19 15 N | 076 37 06 W |
| Sames Industrial Center | Locale | 55 | Calvert | 38 41 05 N | 076 36 50 W |
| Savage Baptist Church | Church | 55 | Howard | 39 08 10 N | 076 49 19 W |
| Schuyler Hills | Populated Place | 55 | Prince George's | 38 39 43 N | 077 01 54 W |
| Serenity Woods | Populated Place | 55 | Charles | 38 30 16 N | 076 50 25 W |
| Severn-Danza Park | Park | 55 | Anne Arundel | 39 08 10 N | 076 40 49 W |
| Shady Spring Elementary School | School | 55 | Baltimore | 39 20 34 N | 076 30 07 W |
| Shannon Heath | Populated Place | 55 | Harford | 39 26 54 N | 076 22 04 W |
| Shiloh Cemetery | Cemetery | 55 | Charles | 38 38 09 N | 077 03 32 W |
| Shiloh Church | Church | 55 | Charles | 38 38 09 N | 077 03 33 W |
| Sothorons Desire (historical) | Locale | 55 | St. Mary's | 38 30 15 N | 076 45 59 W |
| Stilltown (historical) | Populated Place | 55 | Charles | 38 28 35 N | 076 49 24 W |