Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Sunderland Elementary School | School | 55 | Calvert | 38 40 27 N | 076 35 40 W |
| Sunset Trail | Trail | 55 | Charles | 38 38 16 N | 076 49 38 W |
| T C Martin Elementary School | School | 55 | Charles | 38 32 22 N | 076 50 34 W |
| Tarrington Creek | Populated Place | 55 | Charles | 38 36 28 N | 077 00 44 W |
| Thomas Pullen Elementary School | School | 55 | Prince George's | 38 54 00 N | 076 51 18 W |
| Thomas Stone High School | School | 55 | Charles | 38 36 53 N | 076 53 13 W |
| Tuckers Reach | Populated Place | 55 | Calvert | 38 41 53 N | 076 36 42 W |
| Vansville | Populated Place | 55 | Prince George's | 39 02 36 N | 076 53 44 W |
| Walter Mitchell School | School | 55 | Charles | 38 31 10 N | 076 58 10 W |
| Waverly Station Baltimore Post Office | Post Office | 55 | Baltimore (city) | 39 19 24 N | 076 36 04 W |
| William Pinderhughes Elementary School | School | 55 | Baltimore (city) | 39 18 10 N | 076 38 19 W |
| Accokeek Lawn | Populated Place | 54 | Prince George's | 38 40 10 N | 077 02 19 W |
| Alton Homes (subdivision) | Populated Place | 54 | Harford | 39 31 09 N | 076 10 54 W |
| Andover Gardens | Cemetery | 54 | Anne Arundel | 39 11 49 N | 076 40 25 W |
| Andover Park | Park | 54 | Anne Arundel | 39 11 47 N | 076 39 59 W |
| Ascension Lutheran Church | Church | 54 | Prince George's | 38 56 52 N | 076 53 08 W |
| Barksdale Farms | Populated Place | 54 | Cecil | 39 39 56 N | 075 48 45 W |
| Beechfield Elementary School | School | 54 | Baltimore (city) | 39 16 49 N | 076 41 37 W |
| Boulden Chapel | Church | 54 | Cecil | 39 37 32 N | 075 54 03 W |
| Bowie Station Methodist Episcopal Church (historical) | Church | 54 | Prince George's | 39 00 17 N | 076 46 42 W |
| Brent School | School | 54 | Baltimore (city) | 39 19 11 N | 076 36 54 W |
| Bryans Road | Populated Place | 54 | Charles | 38 37 37 N | 077 04 23 W |
| Bryans Road Branch Charles County Public Library | Building | 54 | Charles | 38 37 48 N | 077 04 34 W |
| Bryans Road Post Office | Post Office | 54 | Charles | 38 37 38 N | 077 04 24 W |
| Bryans Road Shopping Center | Locale | 54 | Charles | 38 37 45 N | 077 04 28 W |
| Bryantown Estates | Populated Place | 54 | Charles | 38 32 42 N | 076 48 17 W |
| Brynwood Farm Estates | Populated Place | 54 | Charles | 38 32 11 N | 076 54 19 W |
| Cabin John Park | Populated Place | 54 | Montgomery | 38 58 35 N | 077 09 54 W |
| Capitol College | School | 54 | Prince George's | 39 02 50 N | 076 51 04 W |
| Carmody Hills Elementary School | School | 54 | Prince George's | 38 53 44 N | 076 53 18 W |
| Charles County Government Building | Building | 54 | Charles | 38 31 52 N | 076 58 52 W |
| Cheltenham Woods Community Park | Park | 54 | Prince George's | 38 45 01 N | 076 49 32 W |
| Christ United Baptist Church | Church | 54 | Baltimore (city) | 39 17 51 N | 076 39 46 W |
| Civista Health Center | Hospital | 54 | Charles | 38 37 22 N | 077 04 26 W |
| Clayton | Populated Place | 54 | Harford | 39 27 01 N | 076 21 17 W |
| Commons Corporate Center | Locale | 54 | Anne Arundel | 39 09 37 N | 076 42 34 W |
| Constant Friendship Shopping Center | Locale | 54 | Harford | 39 28 00 N | 076 18 44 W |
| Davidsonville | Populated Place | 54 | Anne Arundel | 38 55 22 N | 076 37 42 W |
| Davidsonville Post Office | Post Office | 54 | Anne Arundel | 38 55 22 N | 076 37 43 W |
| Dubois | Populated Place | 54 | Charles | 38 28 34 N | 076 49 37 W |
| DuVal High School | School | 54 | Prince George's | 38 59 16 N | 076 50 15 W |
| Ebenezer Church | Church | 54 | Prince George's | 38 56 37 N | 076 51 15 W |
| Elkridge Elementary School | School | 54 | Howard | 39 12 30 N | 076 43 11 W |
| Elkridge Industrial Park | Locale | 54 | Howard | 39 11 53 N | 076 44 17 W |
| Elkton Reservoir | Reservoir | 54 | Cecil | 39 36 59 N | 075 48 23 W |
| Ellerslie Heights | Populated Place | 54 | Charles | 38 30 01 N | 077 02 53 W |
| Emmanuel Reformed Episcopal Church | Church | 54 | Baltimore (city) | 39 19 47 N | 076 34 52 W |
| First Christian Community Baptist Church | Church | 54 | Baltimore (city) | 39 18 09 N | 076 38 34 W |
| First Emmanuel Baptist Church | Church | 54 | Baltimore (city) | 39 18 55 N | 076 37 47 W |
| Freedom School (historical) | School | 54 | Cecil | 39 32 22 N | 075 55 11 W |
| Gilmor Elementary School | School | 54 | Baltimore (city) | 39 18 01 N | 076 38 37 W |
| Goddard Space Flight Center | Locale | 54 | Prince George's | 38 59 32 N | 076 51 09 W |
| Greenock | Populated Place | 54 | Anne Arundel | 38 48 55 N | 076 37 59 W |
| Hall Spring | Populated Place | 54 | Baltimore (city) | 39 20 13 N | 076 34 31 W |
| Happy Acres School | School | 54 | Prince George's | 38 55 51 N | 076 54 26 W |
| Harris Island | Island | 54 | Montgomery | 39 02 44 N | 077 17 04 W |
| Hechinger Plaza Shopping Center | Locale | 54 | Prince George's | 38 59 01 N | 076 58 55 W |
| Hickory Ridge (subdivision) | Populated Place | 54 | Charles | 38 32 07 N | 076 57 45 W |
| Holy Temple Pentecostal Church | Church | 54 | Baltimore (city) | 39 18 22 N | 076 38 14 W |
| Homewood Friends Meeting House | Church | 54 | Baltimore (city) | 39 19 34 N | 076 37 01 W |
| Hunts Corner | Populated Place | 54 | Prince George's | 38 48 06 N | 076 59 56 W |
| Jessup-Dorsey Park | Park | 54 | Anne Arundel | 39 09 51 N | 076 44 36 W |
| John Wesley Church | Church | 54 | Prince George's | 38 34 13 N | 076 43 40 W |
| Karen Knolls | Populated Place | 54 | Charles | 38 30 37 N | 076 46 36 W |
| Kindy Hook | Populated Place | 54 | Charles | 38 31 45 N | 076 50 30 W |
| Kirk Avenue Athletic Field | Park | 54 | Baltimore (city) | 39 19 15 N | 076 36 04 W |
| L P Cosca Regional Park | Park | 54 | Prince George's | 38 44 19 N | 076 54 43 W |
| La Plaine Estates | Populated Place | 54 | Cecil | 39 34 37 N | 075 55 05 W |
| Lake Arbor Elementary School | School | 54 | Prince George's | 38 54 17 N | 076 49 51 W |
| Largo-Lottsford Community Park | Park | 54 | Prince George's | 38 54 23 N | 076 49 49 W |
| Leeds Cemetery | Cemetery | 54 | Cecil | 39 39 18 N | 075 52 34 W |
| Lock 23 | Dam | 54 | Montgomery | 39 04 01 N | 077 19 44 W |
| Lothian | Populated Place | 54 | Anne Arundel | 38 49 54 N | 076 36 41 W |
| Lothian Post Office | Post Office | 54 | Anne Arundel | 38 49 52 N | 076 36 48 W |
| Macedonia Baptist Church | Church | 54 | Baltimore (city) | 39 17 57 N | 076 38 04 W |
| Madison Avenue Presbyterian Church | Church | 54 | Baltimore (city) | 39 18 32 N | 076 38 08 W |
| Madison Park Professional Center | Locale | 54 | Baltimore (city) | 39 18 38 N | 076 37 59 W |
| Mellwood Church of the Nazarene | Church | 54 | Prince George's | 38 47 39 N | 076 50 05 W |
| Mellwood Hills Community Park | Park | 54 | Prince George's | 38 47 13 N | 076 49 31 W |
| Metropolitan Cemetery | Cemetery | 54 | Charles | 38 37 07 N | 077 04 40 W |
| Montpelier Cultural Arts Center | Building | 54 | Prince George's | 39 03 53 N | 076 50 34 W |
| Montpelier Elementary School | School | 54 | Prince George's | 39 03 15 N | 076 50 45 W |
| Mount Calvary Church | Church | 54 | St. Mary's | 38 28 29 N | 076 47 04 W |
| Mount Carmel Cemetery | Cemetery | 54 | Charles | 38 33 22 N | 077 00 02 W |
| New Union Baptist Church | Church | 54 | Baltimore (city) | 39 17 38 N | 076 38 51 W |
| North Indian Head Estates | Populated Place | 54 | Charles | 38 37 59 N | 077 04 51 W |
| Odenton Park Recreation Area | Park | 54 | Anne Arundel | 39 03 00 N | 076 42 12 W |
| Our Lady of Victory Roman Catholic Church | Church | 54 | Baltimore | 39 16 01 N | 076 41 48 W |
| Our Lady of Victory School | School | 54 | Baltimore | 39 16 02 N | 076 41 47 W |
| Overlook Elementary School | School | 54 | Anne Arundel | 39 12 47 N | 076 39 06 W |
| Owens Road Elementary School | School | 54 | Prince George's | 38 49 04 N | 076 58 49 W |
| Parklawn School | School | 54 | Prince George's | 38 56 45 N | 076 54 01 W |
| Patuxent Industrial Park | Locale | 54 | Howard | 39 08 39 N | 076 47 19 W |
| Pine Grove Estates | Populated Place | 54 | Charles | 38 31 09 N | 076 45 54 W |
| Plainview Gardens | Populated Place | 54 | Charles | 38 30 03 N | 076 47 22 W |
| Pomonkey School | School | 54 | Charles | 38 37 06 N | 077 04 30 W |
| Principio United Methodist Church | Church | 54 | Cecil | 39 34 25 N | 076 02 35 W |
| Quail Run | Populated Place | 54 | Anne Arundel | 39 08 05 N | 076 42 25 W |
| River Island | Populated Place | 54 | Howard | 39 08 08 N | 076 49 18 W |
| Rollingwood School | School | 54 | Montgomery | 38 59 13 N | 077 03 45 W |
| Rosa Bonheur Pet Cemetery | Cemetery | 54 | Howard | 39 11 04 N | 076 45 36 W |
| Saint Johns United Methodist Church | Church | 54 | Baltimore (city) | 39 19 13 N | 076 36 58 W |
| Saint Philips Cemetery | Cemetery | 54 | Prince George's | 39 06 24 N | 076 51 07 W |
| Saint Stephens Church of God | Church | 54 | Baltimore (city) | 39 19 27 N | 076 36 13 W |
| Sandy Hill Neighborhood Park | Park | 54 | Prince George's | 39 00 57 N | 076 47 03 W |
| Siemers Memorial Evangelical United Brethren Church | Church | 54 | Baltimore | 39 15 28 N | 076 41 15 W |
| Swains Lock | Dam | 54 | Montgomery | 39 01 53 N | 077 14 36 W |
| Thompson Corner | Populated Place | 54 | St. Mary's | 38 26 58 N | 076 47 09 W |
| Tilghman Park | Park | 54 | Charles | 38 32 44 N | 076 56 31 W |
| Tilghman Park | Park | 54 | Charles | 38 32 43 N | 076 56 33 W |