Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Davidsonville United Methodist Church | Church | 56 | Anne Arundel | 38 55 20 N | 076 37 51 W |
| Demar Road Industrial Park | Locale | 56 | Charles | 38 35 08 N | 076 56 13 W |
| Dentsville | Populated Place | 56 | Charles | 38 28 54 N | 076 53 33 W |
| Elm Island | Island | 56 | Montgomery | 39 03 12 N | 077 18 42 W |
| Erdman Shopping Center | Locale | 56 | Baltimore (city) | 39 18 50 N | 076 34 11 W |
| Evergreen African Methodist Episcopal Church | Church | 56 | Baltimore (city) | 39 16 55 N | 076 40 24 W |
| First Church of God | Church | 56 | Anne Arundel | 39 04 21 N | 076 40 39 W |
| Fort Meade Golf Course | Locale | 56 | Anne Arundel | 39 06 16 N | 076 45 09 W |
| Fullerton School | School | 56 | Baltimore | 39 21 33 N | 076 31 25 W |
| Gallant Green Woods | Populated Place | 56 | Charles | 38 35 07 N | 076 46 29 W |
| Gatch Memorial United Methodist Church | Church | 56 | Baltimore (city) | 39 20 37 N | 076 32 40 W |
| Glassmanor Elementary School | School | 56 | Prince George's | 38 49 01 N | 076 59 26 W |
| Grace Brethren Church | Church | 56 | Charles | 38 34 21 N | 076 51 40 W |
| Grace Lutheran Church | Church | 56 | Charles | 38 31 52 N | 076 57 34 W |
| Greater Capitol Heights | Populated Place | 56 | Prince George's | 38 52 41 N | 076 55 15 W |
| Greenbelt Middle School | School | 56 | Prince George's | 38 59 52 N | 076 54 06 W |
| Harriet Tubman Elementary School | School | 56 | Baltimore (city) | 39 17 46 N | 076 38 49 W |
| High Bridge Park | Park | 56 | Prince George's | 38 58 55 N | 076 46 25 W |
| Hillcrest Manor (subdivision) | Populated Place | 56 | Harford | 39 31 23 N | 076 10 06 W |
| Hilton Recreation Center | Park | 56 | Baltimore (city) | 39 17 19 N | 076 40 10 W |
| Hope Acres | Populated Place | 56 | Charles | 38 35 34 N | 076 58 20 W |
| Howard B Owens Science Center School | School | 56 | Prince George's | 38 59 27 N | 076 51 09 W |
| Huntington Townhouses | Populated Place | 56 | Charles | 38 36 22 N | 076 53 38 W |
| Huntingtown Square | Populated Place | 56 | Calvert | 38 37 03 N | 076 37 15 W |
| Indian Head Manor | Populated Place | 56 | Charles | 38 37 58 N | 077 03 39 W |
| Kerrick Manor | Populated Place | 56 | Charles | 38 32 28 N | 076 55 09 W |
| La Plata Park | Park | 56 | Charles | 38 32 18 N | 076 59 39 W |
| Lanham Cemetery | Cemetery | 56 | Prince George's | 38 57 32 N | 076 51 30 W |
| Laurel Branch Prince George's County Memorial Library | Building | 56 | Prince George's | 39 06 10 N | 076 51 23 W |
| Lennox Park | Populated Place | 56 | Howard | 39 10 35 N | 076 45 06 W |
| Lock 24 | Dam | 56 | Montgomery | 39 04 07 N | 077 20 25 W |
| Loop Trail | Trail | 56 | Prince George's | 38 38 47 N | 076 48 41 W |
| Macedonia Church | Church | 56 | Charles | 38 38 21 N | 077 04 15 W |
| Mandleys | Populated Place | 56 | Charles | 38 36 01 N | 076 50 53 W |
| Marlton South | Populated Place | 56 | Prince George's | 38 44 43 N | 076 46 60 W |
| Maryland Correctional Institute for Women | Locale | 56 | Anne Arundel | 39 07 51 N | 076 46 31 W |
| Matula Elementary School | School | 56 | Charles | 38 32 45 N | 076 57 18 W |
| Maurice J McDonald High School | School | 56 | Charles | 38 33 19 N | 077 02 06 W |
| McGregors School House (historical) | School | 56 | Prince George's | 38 57 32 N | 076 51 30 W |
| Memorial United Methodist Church | Church | 56 | Baltimore (city) | 39 16 53 N | 076 40 26 W |
| Metro Gun Club | Locale | 56 | Charles | 38 37 07 N | 076 48 54 W |
| Midway Mobile Home Park | Populated Place | 56 | Howard | 39 06 29 N | 076 50 04 W |
| Mistwood | Populated Place | 56 | Anne Arundel | 39 03 30 N | 076 41 35 W |
| Montebello Waste Water Lake | Reservoir | 56 | Baltimore (city) | 39 20 12 N | 076 34 59 W |
| Montebello Waste Water Lake Dam | Dam | 56 | Baltimore (city) | 39 20 12 N | 076 34 59 W |
| Monteith (historical) | Populated Place | 56 | Prince George's | 39 02 24 N | 076 52 45 W |
| Mount Carmel Estates | Populated Place | 56 | Charles | 38 33 48 N | 077 00 10 W |
| Mount Harmony | Populated Place | 56 | Calvert | 38 41 54 N | 076 36 15 W |
| Mount Harmony United Methodist Church | Church | 56 | Calvert | 38 41 53 N | 076 36 16 W |
| Mount Zion United Methodist Church | Church | 56 | Anne Arundel | 38 49 55 N | 076 37 01 W |
| Oak Hill Estates | Populated Place | 56 | Charles | 38 35 20 N | 076 59 19 W |
| Oak Knolls | Populated Place | 56 | Charles | 38 34 48 N | 076 59 25 W |
| Oaklee Village | Populated Place | 56 | Baltimore (city) | 39 16 04 N | 076 41 06 W |
| Oakwood | Populated Place | 56 | Charles | 38 34 02 N | 077 02 01 W |
| Odenton Shopping Center | Locale | 56 | Anne Arundel | 39 04 47 N | 076 41 20 W |
| Old Colony (subdivision) | Populated Place | 56 | Charles | 38 32 01 N | 076 58 14 W |
| Olivers Shop | Locale | 56 | Charles | 38 28 56 N | 076 52 23 W |
| Oxon Hill High School | School | 56 | Prince George's | 38 47 52 N | 076 59 37 W |
| Oxon Hill Plaza Shopping Center | Locale | 56 | Prince George's | 38 48 16 N | 076 59 32 W |
| Oxon Run Hills | Populated Place | 56 | Prince George's | 38 50 38 N | 076 57 42 W |
| Pheasant Farm | Populated Place | 56 | Charles | 38 34 38 N | 076 59 55 W |
| Piney Church | Church | 56 | Charles | 38 35 13 N | 076 56 27 W |
| Potomac High School | School | 56 | Prince George's | 38 49 17 N | 076 58 39 W |
| Quiet Acres | Populated Place | 56 | Charles | 38 36 22 N | 077 01 19 W |
| Rogers Heights Elementary School | School | 56 | Prince George's | 38 56 42 N | 076 54 45 W |
| Rolling View | Populated Place | 56 | Prince George's | 38 57 11 N | 076 51 12 W |
| Rosemont Multi-Purpose Center | Building | 56 | Baltimore (city) | 39 17 48 N | 076 39 45 W |
| Saint Charles Church of the Nazarene | Church | 56 | Charles | 38 34 54 N | 076 51 43 W |
| Saint James United Methodist Church | Church | 56 | Baltimore (city) | 39 17 24 N | 076 38 50 W |
| Saint Lukes United Methodist Church | Church | 56 | Baltimore (city) | 39 18 04 N | 076 38 37 W |
| Saint Martins Church of Christ | Church | 56 | Baltimore (city) | 39 18 34 N | 076 38 08 W |
| Saint Mary Catholic Church | Church | 56 | Charles | 38 32 22 N | 076 50 13 W |
| Saint Marys Church | Church | 56 | Prince George's | 38 45 35 N | 076 45 28 W |
| Saint Matthews Parish Hall | Church | 56 | Prince George's | 38 53 30 N | 076 53 55 W |
| Saint Pauls Lake | Reservoir | 56 | Charles | 38 35 20 N | 076 54 01 W |
| Saint Pauls Moravian Church | Church | 56 | Prince George's | 38 46 19 N | 076 47 29 W |
| Saint Pauls Piney Cemetery | Cemetery | 56 | Charles | 38 35 15 N | 076 54 03 W |
| Saint Peters Catholic Church | Church | 56 | Charles | 38 37 12 N | 076 51 41 W |
| Sandy Hill Acres | Populated Place | 56 | Prince George's | 39 01 20 N | 076 47 18 W |
| Savage Mill Historic District | Park | 56 | Howard | 39 08 11 N | 076 49 29 W |
| Seneca Creek Aqueduct | Bridge | 56 | Montgomery | 39 04 07 N | 077 20 29 W |
| Severn Mills | Populated Place | 56 | Anne Arundel | 39 08 01 N | 076 42 41 W |
| Simpsons Farm | Populated Place | 56 | Calvert | 38 41 52 N | 076 36 29 W |
| Temple Hills School | School | 56 | Prince George's | 38 48 51 N | 076 56 17 W |
| The Courts of Four Seasons | Populated Place | 56 | Anne Arundel | 39 03 21 N | 076 41 52 W |
| Tulip Grove Elementary School | School | 56 | Prince George's | 38 58 03 N | 076 45 00 W |
| Villages of Montpelier | Populated Place | 56 | Prince George's | 39 03 00 N | 076 50 21 W |
| Walter J Mitchell Elementary School | School | 56 | Charles | 38 31 10 N | 076 58 09 W |
| Waverly Tower Shopping Center | Locale | 56 | Baltimore (city) | 39 19 21 N | 076 36 32 W |
| William A Alexander Public School (historical) | School | 56 | Baltimore (city) | 39 18 13 N | 076 38 24 W |
| Wills Memorial Park | Park | 56 | Charles | 38 31 10 N | 076 58 45 W |
| WWIN-AM (Baltimore) | Tower | 56 | Baltimore (city) | 39 19 21 N | 076 36 32 W |
| Abingdon Reserve | Populated Place | 55 | Harford | 39 27 57 N | 076 16 59 W |
| All Hallows Chapel | Church | 55 | Anne Arundel | 38 55 14 N | 076 37 59 W |
| Ammendale Normal Institute | School | 55 | Prince George's | 39 03 11 N | 076 54 09 W |
| Arbutus Plaza Shopping Center | Locale | 55 | Baltimore | 39 15 40 N | 076 41 45 W |
| Belvoir Manor | Populated Place | 55 | Anne Arundel | 39 01 24 N | 076 34 57 W |
| Bible Way Church | Church | 55 | Baltimore (city) | 39 18 27 N | 076 38 19 W |
| Blue Ridge Farms | Locale | 55 | Anne Arundel | 38 51 46 N | 076 37 45 W |
| Bowie Cemetery | Cemetery | 55 | Prince George's | 38 57 07 N | 076 46 54 W |
| Briar Ridge | Populated Place | 55 | Charles | 38 33 40 N | 076 49 25 W |
| Briarley Military Academy (historical) | School | 55 | Prince George's | 39 02 58 N | 076 53 20 W |
| Brock Bridge Elementary School | School | 55 | Anne Arundel | 39 05 17 N | 076 49 15 W |
| Burnt Store | Locale | 55 | Charles | 38 31 18 N | 076 50 26 W |
| Calvert Woods | Populated Place | 55 | Calvert | 38 41 07 N | 076 36 28 W |
| Calverton Heights | Populated Place | 55 | Baltimore (city) | 39 17 39 N | 076 39 49 W |
| Calverton Junior High School | School | 55 | Baltimore (city) | 39 18 01 N | 076 39 32 W |
| Canterbury School | School | 55 | Prince George's | 38 40 38 N | 077 01 10 W |
| Carsondale | Populated Place | 55 | Prince George's | 38 56 30 N | 076 51 13 W |
| Cedonia | Populated Place | 55 | Baltimore (city) | 39 20 02 N | 076 32 34 W |