Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Redgate | Populated Place | 51 | St. Mary's | 38 26 15 N | 076 47 59 W |
| Regency Manor Mobile Home Park | Populated Place | 51 | Calvert | 38 44 20 N | 076 39 03 W |
| Ritchie | Populated Place | 51 | Prince George's | 38 52 14 N | 076 51 20 W |
| Sachs Industrial Park | Locale | 51 | Anne Arundel | 39 12 38 N | 076 40 49 W |
| Saint Agnes Hospital | Hospital | 51 | Baltimore (city) | 39 16 22 N | 076 40 21 W |
| Saint Anns School | School | 51 | Prince George's | 38 59 31 N | 076 54 31 W |
| Saint Christopher Episcopal Church | Church | 51 | Anne Arundel | 39 12 28 N | 076 39 17 W |
| Saint Dominics Catholic Church | Church | 51 | Prince George's | 38 34 55 N | 076 43 26 W |
| Saint Dominics Cemetery | Cemetery | 51 | Prince George's | 38 34 56 N | 076 43 26 W |
| Saint Francis De Sales Cemetery | Cemetery | 51 | Harford | 39 27 54 N | 076 17 07 W |
| Saint John Lutheran Church | Church | 51 | Anne Arundel | 39 12 21 N | 076 39 26 W |
| Saint Katherines Episcopal Church | Church | 51 | Baltimore (city) | 39 18 24 N | 076 38 11 W |
| Saint Marys School | School | 51 | Charles | 38 32 19 N | 076 50 11 W |
| Saint Matthias Catholic Church | Church | 51 | Prince George's | 38 57 51 N | 076 50 27 W |
| Saint Philip Neri Catholic Church | Church | 51 | Anne Arundel | 39 12 08 N | 076 38 42 W |
| Saint Simons Cemetery | Cemetery | 51 | Prince George's | 38 44 39 N | 076 45 15 W |
| Seabrook Baptist Church | Church | 51 | Prince George's | 38 58 12 N | 076 50 33 W |
| Seabrook Elementary School | School | 51 | Prince George's | 38 57 58 N | 076 50 26 W |
| Severnsides | Populated Place | 51 | Anne Arundel | 39 07 54 N | 076 41 28 W |
| Shipley Heights | Populated Place | 51 | Anne Arundel | 39 12 08 N | 076 39 45 W |
| Silver Meadow | Populated Place | 51 | Baltimore | 39 23 21 N | 076 29 10 W |
| Springhill | Populated Place | 51 | Charles | 38 30 16 N | 076 59 05 W |
| Stone Mill (historical) | Locale | 51 | Harford | 39 41 12 N | 076 15 30 W |
| Strawberry Hills Estates | Populated Place | 51 | Charles | 38 38 52 N | 077 04 08 W |
| The Plains | Populated Place | 51 | Charles | 38 26 57 N | 076 51 54 W |
| Timber Ridge | Populated Place | 51 | Anne Arundel | 39 09 22 N | 076 41 20 W |
| Trinity Assembly of God Church | Church | 51 | Baltimore (city) | 39 20 13 N | 076 34 28 W |
| Watkins Island | Island | 51 | Montgomery | 39 02 32 N | 077 16 44 W |
| Wellington Woods | Populated Place | 51 | Charles | 38 39 00 N | 076 59 19 W |
| West River | Populated Place | 51 | Anne Arundel | 38 51 01 N | 076 35 46 W |
| Western Cemetery | Cemetery | 51 | Baltimore (city) | 39 17 30 N | 076 39 57 W |
| White Plains Regional Park | Park | 51 | Charles | 38 34 25 N | 076 55 06 W |
| All Saints Cemetery | Cemetery | 50 | Calvert | 38 39 43 N | 076 36 23 W |
| Arborview | Populated Place | 50 | Charles | 38 29 50 N | 076 46 57 W |
| Asberry Cemetery | Cemetery | 50 | Calvert | 38 31 06 N | 076 37 08 W |
| Asberry Church | Church | 50 | Calvert | 38 31 06 N | 076 37 08 W |
| Avila | Populated Place | 50 | Anne Arundel | 38 54 30 N | 076 36 51 W |
| Baltimore Airpark (historical) | Airport | 50 | Baltimore | 39 24 16 N | 076 25 34 W |
| Bel Alton | Populated Place | 50 | Charles | 38 27 50 N | 076 58 58 W |
| Bel Alton Facility | School | 50 | Charles | 38 27 06 N | 076 59 29 W |
| Belair Junior High School | School | 50 | Prince George's | 38 58 17 N | 076 44 34 W |
| Belmar | Populated Place | 50 | Baltimore (city) | 39 20 44 N | 076 32 26 W |
| Breezy Knolls | Populated Place | 50 | St. Mary's | 38 30 14 N | 076 45 50 W |
| Bristol | Populated Place | 50 | Anne Arundel | 38 47 32 N | 076 40 05 W |
| Burning Oaks | Populated Place | 50 | St. Mary's | 38 24 55 N | 076 43 58 W |
| Calvary Cemetery | Cemetery | 50 | Calvert | 38 37 01 N | 076 37 21 W |
| Capital Plaza Mall Shopping Center | Locale | 50 | Prince George's | 38 56 30 N | 076 54 31 W |
| Carrico Mill Estates | Populated Place | 50 | Charles | 38 30 01 N | 076 48 17 W |
| Center School | School | 50 | Prince George's | 39 00 05 N | 076 52 43 W |
| Charles County | Civil | 50 | Charles | 38 29 00 N | 076 58 59 W |
| Charlotte Hall | Populated Place | 50 | St. Mary's | 38 28 51 N | 076 46 41 W |
| Charlotte Hall Military Academy | School | 50 | St. Mary's | 38 28 42 N | 076 46 44 W |
| Charlotte Hall School | School | 50 | St. Mary's | 38 28 01 N | 076 46 44 W |
| Cherry Grove | Populated Place | 50 | Prince George's | 38 56 53 N | 076 50 57 W |
| Chickasaw Run | Populated Place | 50 | St. Mary's | 38 29 22 N | 076 45 41 W |
| Clear Spring Water Reservoir | Reservoir | 50 | Baltimore | 39 15 30 N | 076 42 23 W |
| Clear Spring Water Reservoir Dam | Dam | 50 | Baltimore | 39 15 30 N | 076 42 23 W |
| Davidsonville Farmettes | Populated Place | 50 | Anne Arundel | 38 58 22 N | 076 40 02 W |
| Deerfield | Populated Place | 50 | Calvert | 38 36 36 N | 076 37 31 W |
| District 15 (Mellwood) Election District | Civil | 50 | Prince George's | 38 48 30 N | 076 48 17 W |
| Enterprise Shopping Center | Locale | 50 | Prince George's | 38 57 51 N | 076 50 40 W |
| Forrest Hall Estates | Populated Place | 50 | St. Mary's | 38 25 44 N | 076 44 01 W |
| Gamble Farm Airport | Airport | 50 | Charles | 38 31 42 N | 077 04 03 W |
| Green Valley Elementary School | School | 50 | Prince George's | 38 50 26 N | 076 57 51 W |
| Greenbelt Branch Branch Library | Building | 50 | Prince George's | 39 00 03 N | 076 52 46 W |
| Greenbelt Community Church | Church | 50 | Prince George's | 39 00 18 N | 076 52 33 W |
| Greenwood Manor | Populated Place | 50 | Prince George's | 38 52 13 N | 076 50 14 W |
| Halethorpe Elementary School | School | 50 | Baltimore | 39 14 29 N | 076 41 03 W |
| Harwood Post Office | Post Office | 50 | Anne Arundel | 38 51 55 N | 076 37 14 W |
| Holy Cross Lutheran Church | Church | 50 | Prince George's | 38 59 42 N | 076 53 10 W |
| Horse Range (historical) | Locale | 50 | St. Mary's | 38 28 21 N | 076 45 09 W |
| Ilchester | Populated Place | 50 | Howard | 39 15 03 N | 076 45 53 W |
| Interchange 50 | Crossing | 50 | Baltimore (city) | 39 15 56 N | 076 40 03 W |
| John Carroll Elementary School | School | 50 | Prince George's | 38 54 32 N | 076 52 38 W |
| Kerby Hill | Populated Place | 50 | Prince George's | 38 46 49 N | 077 00 08 W |
| Kerrick Swamp | Swamp | 50 | Charles | 38 31 40 N | 076 56 27 W |
| Lake Montebello | Lake | 50 | Baltimore (city) | 39 19 52 N | 076 35 04 W |
| Lake Montebello | Reservoir | 50 | Baltimore (city) | 39 20 00 N | 076 34 59 W |
| Lake Montebello Dam | Dam | 50 | Baltimore (city) | 39 19 52 N | 076 35 04 W |
| Land Tree | Populated Place | 50 | Prince George's | 38 44 34 N | 076 46 35 W |
| Landover Hills | Populated Place | 50 | Prince George's | 38 56 35 N | 076 53 32 W |
| Laurel | Populated Place | 50 | Prince George's | 39 05 57 N | 076 50 54 W |
| Laurel Post Office | Post Office | 50 | Prince George's | 39 06 17 N | 076 50 46 W |
| Laurel Wood | Populated Place | 50 | Prince George's | 39 02 47 N | 076 50 22 W |
| Lettie Marshall Dent Elementary School | School | 50 | St. Mary's | 38 28 25 N | 076 46 03 W |
| Lindale Junior High School | School | 50 | Anne Arundel | 39 11 35 N | 076 38 14 W |
| Lothian School | School | 50 | Anne Arundel | 38 49 37 N | 076 36 47 W |
| Lynnbrook | Populated Place | 50 | Anne Arundel | 39 12 32 N | 076 37 58 W |
| Mariellen Park | Populated Place | 50 | Charles | 38 30 24 N | 076 57 17 W |
| McConchie | Populated Place | 50 | Charles | 38 30 07 N | 077 03 36 W |
| McKays Plaza Shopping Center | Locale | 50 | St. Mary's | 38 30 28 N | 076 46 24 W |
| Meade Village | Populated Place | 50 | Anne Arundel | 39 07 31 N | 076 42 19 W |
| Mechanicsville Elementary School | School | 50 | St. Mary's | 38 27 12 N | 076 45 17 W |
| Mechanicsville Post Office | Post Office | 50 | St. Mary's | 38 27 55 N | 076 46 05 W |
| Metropolitan United Methodist Church | Church | 50 | Baltimore (city) | 39 17 51 N | 076 38 13 W |
| Miranda Cemetery | Cemetery | 50 | Calvert | 38 37 09 N | 076 37 31 W |
| Montrose | Populated Place | 50 | Charles | 38 36 58 N | 077 05 28 W |
| Mount Glory Church (historical) | Church | 50 | Montgomery | 38 58 42 N | 077 12 12 W |
| Mount Rest Cemetery | Cemetery | 50 | Charles | 38 31 56 N | 076 57 53 W |
| Norbell School | School | 50 | Howard | 39 12 29 N | 076 43 09 W |
| Oak Park | Populated Place | 50 | Baltimore | 39 14 12 N | 076 40 38 W |
| Oaks of Harford | Populated Place | 50 | Harford | 39 27 54 N | 076 19 22 W |
| Old Bethel Cemetery | Cemetery | 50 | Anne Arundel | 39 05 25 N | 076 42 24 W |
| Old Sycamore Estates | Populated Place | 50 | Charles | 38 26 57 N | 076 52 07 W |
| Our Lady of the Fields Roman Catholic Church | Church | 50 | Anne Arundel | 39 03 03 N | 076 39 03 W |
| Our Savior Lutheran Church | Church | 50 | Prince George's | 39 04 38 N | 076 50 54 W |
| Oxford Green | Populated Place | 50 | Prince George's | 39 03 43 N | 076 50 28 W |
| Penn Manor | Populated Place | 50 | Charles | 38 29 35 N | 077 02 35 W |
| Pheasant Run Community Park | Park | 50 | Prince George's | 39 03 24 N | 076 49 52 W |
| Ridgeview | Populated Place | 50 | Charles | 38 32 12 N | 076 49 14 W |