Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Grand Valley Acres | Populated Place | 263 | Carroll | 39 42 18 N | 076 58 08 W |
| Allnut Farms Estates | Populated Place | 159 | Howard | 39 11 50 N | 076 58 08 W |
| Spencerville Free Methodist Church | Church | 158 | Montgomery | 39 07 03 N | 076 58 08 W |
| Saint Josephs Cemetery | Cemetery | 127 | Carroll | 39 21 52 N | 076 58 07 W |
| Saint Josephs Roman Catholic Church | Church | 127 | Carroll | 39 21 53 N | 076 58 07 W |
| Kingston | Populated Place | 187 | Howard | 39 16 16 N | 076 58 07 W |
| White Oak Estates | Populated Place | 169 | Howard | 39 11 05 N | 076 58 07 W |
| Queen Chapel Airport (historical) | Airport | 9 | Prince George's | 38 57 11 N | 076 58 07 W |
| Squires Woods | Populated Place | 75 | Prince George's | 38 47 00 N | 076 58 07 W |
| Friendly High School | School | 70 | Prince George's | 38 45 07 N | 076 58 07 W |
| Holiday Acres | Populated Place | 264 | Carroll | 39 30 03 N | 076 58 06 W |
| Babel Heights | Populated Place | 243 | Carroll | 39 29 17 N | 076 58 06 W |
| Rocky Gorge Meadows | Populated Place | 126 | Montgomery | 39 08 30 N | 076 58 06 W |
| Kirkwood | Populated Place | 14 | Prince George's | 38 57 34 N | 076 58 06 W |
| Belleair Estates | Populated Place | 71 | Prince George's | 38 44 48 N | 076 58 06 W |
| Adelphi Park | Populated Place | 22 | Prince George's | 38 59 11 N | 076 58 05 W |
| Lewisdale Elementary School | School | 18 | Prince George's | 38 58 29 N | 076 58 05 W |
| G Gardner Shugart Middle School | School | 81 | Prince George's | 38 50 02 N | 076 58 05 W |
| Hideaway Estates | Populated Place | 248 | Carroll | 39 41 01 N | 076 58 04 W |
| Sykesville | Populated Place | 166 | Carroll | 39 22 25 N | 076 58 04 W |
| Barnaby Manor Oaks | Populated Place | 73 | Prince George's | 38 49 05 N | 076 58 04 W |
| Springfield Roller Mills (historical) | Locale | 139 | Carroll | 39 22 58 N | 076 58 03 W |
| Adelphi Plaza Shopping Center | Locale | 22 | Prince George's | 38 59 05 N | 076 58 03 W |
| Ellenboro Hill | Summit | 37 | Charles | 38 24 19 N | 076 58 03 W |
| Saint Lukes United Methodist Church | Church | 131 | Howard | 39 21 38 N | 076 58 02 W |
| Briaridge | Populated Place | 135 | Howard | 39 10 13 N | 076 58 02 W |
| Hillandale Church | Church | 57 | Prince George's | 39 00 23 N | 076 58 02 W |
| Saint Marys Cemetery | Cemetery | 7 | Prince George's | 38 42 17 N | 076 58 02 W |
| Saint Marys Church | Church | 7 | Prince George's | 38 42 16 N | 076 58 02 W |
| Millard Cooper Park | Park | 159 | Carroll | 39 22 28 N | 076 58 01 W |
| North Barnaby Recreation Area | Park | 63 | Prince George's | 38 49 28 N | 076 58 01 W |
| Saint Ignatius Cemetery | Cemetery | 73 | Prince George's | 38 48 15 N | 076 58 01 W |
| Westlake High School | School | 64 | Charles | 38 37 25 N | 076 58 01 W |
| Howard County Fairground | Park | 165 | Howard | 39 18 40 N | 076 58 00 W |
| Mount Rainier Junior High School | School | 11 | Prince George's | 38 56 56 N | 076 58 00 W |
| Kingdom Hall | Church | 65 | Charles | 38 37 47 N | 076 57 60 W |
| Mich-Trace Estates | Populated Place | 242 | Carroll | 39 42 33 N | 076 57 59 W |
| Mary Harris Mother Jones Elementary School | School | 49 | Prince George's | 39 00 04 N | 076 57 59 W |
| Barnaby Manor Elementary School | School | 79 | Prince George's | 38 49 02 N | 076 57 59 W |
| Saint Ignatius Church | Church | 77 | Prince George's | 38 48 16 N | 076 57 59 W |
| West White Plains | Populated Place | 57 | Charles | 38 35 15 N | 076 57 59 W |
| Youngs Switch (historical) | Locale | 61 | Charles | 38 33 53 N | 076 57 59 W |
| Elsworth Cemetery | Cemetery | 281 | Carroll | 39 33 38 N | 076 57 58 W |
| Lothair Station | Populated Place | 40 | Charles | 38 26 07 N | 076 57 58 W |
| Flohrville United Methodist Church | Church | 183 | Carroll | 39 23 27 N | 076 57 57 W |
| Eagles Loft | Populated Place | 169 | Howard | 39 16 35 N | 076 57 57 W |
| Twelve Hills | Populated Place | 163 | Howard | 39 13 55 N | 076 57 57 W |
| West Fairland Park | Park | 118 | Montgomery | 39 04 32 N | 076 57 57 W |
| Trinity Lutheran Church | Church | 33 | Prince George's | 38 56 18 N | 076 57 57 W |
| Old Ford Hills | Populated Place | 35 | Prince George's | 38 44 30 N | 076 57 57 W |
| Oakland Estates | Populated Place | 48 | Charles | 38 30 57 N | 076 57 57 W |
| Spring Oak Estates | Populated Place | 50 | Charles | 38 30 03 N | 076 57 56 W |
| Peach Mill Estates | Populated Place | 227 | Carroll | 39 29 05 N | 076 57 55 W |
| Flohrville | Populated Place | 188 | Carroll | 39 23 31 N | 076 57 55 W |
| Lane Manor Recreation Center | Park | 20 | Prince George's | 38 59 00 N | 076 57 55 W |
| Piney Ridge Village | Populated Place | 196 | Carroll | 39 24 08 N | 076 57 54 W |
| Sykesville Post Office | Post Office | 147 | Carroll | 39 22 08 N | 076 57 54 W |
| Mount Calvary Church | Church | 143 | Montgomery | 39 07 27 N | 076 57 54 W |
| Mount Rainier Neighborhood Park | Park | 8 | Prince George's | 38 56 52 N | 076 57 54 W |
| West Hyattsville Baptist Church | Church | 29 | Prince George's | 38 57 47 N | 076 57 54 W |
| Mount Rainier | Populated Place | 24 | Prince George's | 38 56 29 N | 076 57 54 W |
| Deerwood | Populated Place | 61 | Charles | 38 37 00 N | 076 57 54 W |
| Lynn Lee | Populated Place | 202 | Carroll | 39 28 28 N | 076 57 53 W |
| Saint Marks Church | Church | 110 | Montgomery | 39 03 53 N | 076 57 53 W |
| Hillandale Forest | Populated Place | 77 | Prince George's | 39 01 26 N | 076 57 53 W |
| Queenstown | Populated Place | 9 | Prince George's | 38 57 02 N | 076 57 53 W |
| Birchwood City School | School | 82 | Prince George's | 38 48 59 N | 076 57 53 W |
| First Baptist Church of Friendly | Church | 73 | Prince George's | 38 45 21 N | 076 57 53 W |
| Mount Rest Cemetery | Cemetery | 50 | Charles | 38 31 56 N | 076 57 53 W |
| Four Seasons | Populated Place | 238 | Carroll | 39 29 22 N | 076 57 52 W |
| Trinity Cemetery | Cemetery | 266 | Carroll | 39 30 54 N | 076 57 51 W |
| Green Valley Elementary School | School | 50 | Prince George's | 38 50 26 N | 076 57 51 W |
| Trinity Church | Church | 267 | Carroll | 39 30 53 N | 076 57 50 W |
| Bnai Israel Cemetery | Cemetery | 82 | Prince George's | 38 48 54 N | 076 57 50 W |
| Cranberry Reservoir | Reservoir | 219 | Carroll | 39 36 02 N | 076 57 49 W |
| Saint Josephs Catholic Church | Church | 194 | Carroll | 39 24 24 N | 076 57 49 W |
| Hillandale Church | Church | 83 | Prince George's | 39 01 36 N | 076 57 49 W |
| Hyattsville Presbyterian Church | Church | 27 | Prince George's | 38 57 49 N | 076 57 49 W |
| Holy Family School | School | 87 | Prince George's | 38 50 11 N | 076 57 49 W |
| Clinton Hills | Populated Place | 57 | Prince George's | 38 42 52 N | 076 57 49 W |
| District 6 (Waldorf) Election District | Civil | 61 | Charles | 38 36 26 N | 076 57 48 W |
| Radcliffe Estates | Populated Place | 47 | Charles | 38 30 23 N | 076 57 48 W |
| Deerpark | Populated Place | 264 | Carroll | 39 30 52 N | 076 57 47 W |
| Cranberry Branch Dam | Dam | 221 | Carroll | 39 36 00 N | 076 57 47 W |
| Lucabaugh Mill Reservoir | Reservoir | 221 | Carroll | 39 36 00 N | 076 57 47 W |
| Cherokee Lane Elementary School | School | 65 | Prince George's | 39 00 19 N | 076 57 47 W |
| Mount Ranier Elementary School | School | 44 | Prince George's | 38 56 21 N | 076 57 47 W |
| Bayne Cemetery | Cemetery | 46 | Prince George's | 38 47 18 N | 076 57 47 W |
| Buck Lodge | Populated Place | 65 | Prince George's | 39 00 30 N | 076 57 46 W |
| Apple Grove Elementary School | School | 45 | Prince George's | 38 47 19 N | 076 57 46 W |
| Apple Grove Plantation (historical) | Locale | 43 | Prince George's | 38 47 23 N | 076 57 46 W |
| Wesley Chapel | Church | 194 | Carroll | 39 24 26 N | 076 57 45 W |
| Wesley Chapel Cemetery | Cemetery | 193 | Carroll | 39 24 25 N | 076 57 45 W |
| Raincliff Business Center | Locale | 144 | Carroll | 39 22 12 N | 076 57 45 W |
| Browns Bridge | Bridge | 82 | Howard | 39 08 45 N | 076 57 45 W |
| White Oak Manor | Populated Place | 73 | Prince George's | 39 00 59 N | 076 57 45 W |
| Mount Rainier Historic District | Park | 24 | Prince George's | 38 56 29 N | 076 57 45 W |
| Thomas S Stone Elementary School | School | 9 | Prince George's | 38 56 43 N | 076 57 45 W |
| Hickory Ridge (subdivision) | Populated Place | 54 | Charles | 38 32 07 N | 076 57 45 W |
| Clark Run Nature Area | Park | 34 | Charles | 38 31 13 N | 076 57 45 W |
| Herald Harbor Fire Department | Building | | Anne Arundel | 39 05 35 N | 076 57 44 W |
| Hollywood Volunteer Fire Company 7 | Building | | St. Mary's | 38 35 23 N | 076 57 44 W |
| Rebas Retreat | Populated Place | 253 | Carroll | 39 31 53 N | 076 57 44 W |
| Rebecca Ridge | Populated Place | 234 | Carroll | 39 32 13 N | 076 57 44 W |
| Parkfield | Populated Place | 219 | Carroll | 39 29 29 N | 076 57 44 W |
| Carroll Square | Populated Place | 183 | Carroll | 39 24 43 N | 076 57 43 W |
| Glenelg Country School | School | 172 | Howard | 39 15 06 N | 076 57 43 W |
| Hemlock Hill | Populated Place | 152 | Howard | 39 10 38 N | 076 57 43 W |
| Piney Ridge Elementary School | School | 197 | Carroll | 39 24 00 N | 076 57 42 W |
| Cabin Hill | Populated Place | 167 | Howard | 39 12 35 N | 076 57 42 W |