Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Henson Valley Christian Church | Church | 80 | Prince George's | 38 46 37 N | 076 58 29 W |
| Smallwood | Populated Place | 265 | Carroll | 39 30 46 N | 076 58 28 W |
| Ager Road United Methodist Church | Church | 16 | Prince George's | 38 58 01 N | 076 58 28 W |
| Owens Road Park | Park | 73 | Prince George's | 38 49 06 N | 076 58 28 W |
| Sharperville | Populated Place | 60 | Prince George's | 38 40 21 N | 076 58 28 W |
| Crossroads Square Shopping Center | Locale | 279 | Carroll | 39 33 48 N | 076 58 27 W |
| Grand Valley Farms | Locale | 248 | Carroll | 39 42 40 N | 076 58 27 W |
| Carroll Fields (subdivision) | Populated Place | 164 | Carroll | 39 22 00 N | 076 58 27 W |
| Foxhall Villas | Populated Place | 173 | Howard | 39 12 45 N | 076 58 27 W |
| Hillandale | Populated Place | 80 | Montgomery | 39 01 35 N | 076 58 27 W |
| Adelphi Elementary School | School | 53 | Prince George's | 39 00 02 N | 076 58 27 W |
| Cat Pond | Lake | 64 | Charles | 38 36 44 N | 076 58 27 W |
| Kent Square (subdivision) | Populated Place | 59 | Charles | 38 32 03 N | 076 58 27 W |
| Deer Park Lutheran Church | Church | 267 | Carroll | 39 30 45 N | 076 58 26 W |
| Deep Valley | Populated Place | 241 | Carroll | 39 29 18 N | 076 58 26 W |
| Lewisdale | Populated Place | 23 | Prince George's | 38 58 24 N | 076 58 26 W |
| Sligo Creek | Stream | | Prince George's | 38 57 31 N | 076 58 26 W |
| Valley View | Populated Place | 54 | Prince George's | 38 44 04 N | 076 58 26 W |
| Pages Swamp | Swamp | 43 | Charles | 38 35 12 N | 076 58 26 W |
| Glasva Branch | Stream | | Charles | 38 24 11 N | 076 58 26 W |
| Springfield Cemetery | Cemetery | 183 | Carroll | 39 22 25 N | 076 58 25 W |
| Hopkins United Methodist Church | Church | 175 | Howard | 39 11 26 N | 076 58 25 W |
| Snells Bridge | Bridge | 100 | Howard | 39 09 43 N | 076 58 25 W |
| Adelphi School | School | 53 | Prince George's | 39 00 01 N | 076 58 25 W |
| Holy Trinity Missionary Cenacle | Church | 52 | Prince George's | 39 00 06 N | 076 58 25 W |
| Regina High School | School | 52 | Prince George's | 39 00 09 N | 076 58 25 W |
| The Meadows (subdivision) | Populated Place | 61 | Charles | 38 32 10 N | 076 58 25 W |
| Cranberry Station | Locale | 210 | Carroll | 39 34 59 N | 076 58 24 W |
| Windy Hill Farms | Locale | 228 | Carroll | 39 35 48 N | 076 58 24 W |
| Waters Edge | Populated Place | 184 | Carroll | 39 23 52 N | 076 58 24 W |
| Springfield Academy (historical) | School | 184 | Carroll | 39 22 27 N | 076 58 24 W |
| Springfield Presbyterian Church | Church | 184 | Carroll | 39 22 27 N | 076 58 24 W |
| Briggs Chaney Middle School | School | 139 | Montgomery | 39 06 37 N | 076 58 24 W |
| Cedarcroft Sanitorium (historical) | Hospital | 113 | Montgomery | 39 03 12 N | 076 58 24 W |
| North Woodridge | Populated Place | 17 | Prince George's | 38 56 42 N | 076 58 24 W |
| Ellenboro Hill Run | Stream | | Charles | 38 24 24 N | 076 58 24 W |
| Hopkins School | School | 177 | Howard | 39 11 24 N | 076 58 23 W |
| Adelphi Bible Church | Church | 42 | Prince George's | 38 59 42 N | 076 58 23 W |
| Phelps Corner | Populated Place | 78 | Prince George's | 38 48 20 N | 076 58 23 W |
| Milton Somers School | School | 55 | Charles | 38 31 26 N | 076 58 23 W |
| Aqua-Land Airport (historical) | Airport | 7 | Charles | 38 22 00 N | 076 58 23 W |
| Clifton on the Potomac | Populated Place | 3 | Charles | 38 22 12 N | 076 58 23 W |
| Waterford | Populated Place | 168 | Howard | 39 12 12 N | 076 58 22 W |
| Hopkins Cemetery | Cemetery | 168 | Howard | 39 11 28 N | 076 58 22 W |
| Old Fort Acres | Populated Place | 29 | Prince George's | 38 43 57 N | 076 58 22 W |
| Mill Hill Estates | Populated Place | 64 | Charles | 38 37 52 N | 076 58 22 W |
| Milton M Somers Middle School | School | 55 | Charles | 38 31 26 N | 076 58 22 W |
| Ager Road School | School | 15 | Prince George's | 38 57 55 N | 076 58 21 W |
| Providence Church | Church | 70 | Prince George's | 38 44 31 N | 076 58 21 W |
| Civista Medical Center | Hospital | 55 | Charles | 38 31 49 N | 076 58 21 W |
| Physicians Memorial Hospital | Hospital | 55 | Charles | 38 31 46 N | 076 58 21 W |
| Freedom | Populated Place | 192 | Carroll | 39 24 34 N | 076 58 20 W |
| Tinkers Creek | Stream | | Prince George's | 38 42 23 N | 076 58 20 W |
| Piscataway | Populated Place | 9 | Prince George's | 38 42 02 N | 076 58 20 W |
| Hope Acres | Populated Place | 56 | Charles | 38 35 34 N | 076 58 20 W |
| Deer Park | Park | 267 | Carroll | 39 30 42 N | 076 58 19 W |
| Irongate | Populated Place | 168 | Carroll | 39 25 50 N | 076 58 19 W |
| Shepherds Glen | Populated Place | 187 | Howard | 39 15 55 N | 076 58 19 W |
| Spencerville Knolls | Populated Place | 155 | Montgomery | 39 07 17 N | 076 58 19 W |
| District 5 (Colesville) Election District | Civil | 124 | Montgomery | 39 05 28 N | 076 58 19 W |
| Adelphi | Populated Place | 52 | Prince George's | 39 00 11 N | 076 58 19 W |
| Adelphi Mill Recreation Center | Park | 30 | Prince George's | 38 59 34 N | 076 58 19 W |
| Cool Springs Elementary School | School | 53 | Prince George's | 39 00 08 N | 076 58 19 W |
| Riggs Mill (historical) | Locale | 27 | Prince George's | 38 59 33 N | 076 58 19 W |
| Rosecroft Park | Populated Place | 37 | Prince George's | 38 47 43 N | 076 58 19 W |
| Bunker Hill | Summit | 38 | Charles | 38 23 56 N | 076 58 18 W |
| Fairhaven | Populated Place | 173 | Carroll | 39 22 38 N | 076 58 17 W |
| La Plata Town Hall | Building | 55 | Charles | 38 31 45 N | 076 58 17 W |
| Spring Meadow | Populated Place | 218 | Carroll | 39 38 53 N | 076 58 16 W |
| Tinkers Creek Park | Park | 20 | Prince George's | 38 43 52 N | 076 58 16 W |
| Faith Baptist School | School | 57 | Charles | 38 34 35 N | 076 58 16 W |
| Charles County Public Library | Building | 53 | Charles | 38 31 49 N | 076 58 16 W |
| Morgantown | Populated Place | 3 | Charles | 38 20 43 N | 076 58 16 W |
| Smallwood Acres | Populated Place | 267 | Carroll | 39 30 11 N | 076 58 15 W |
| Pfefferkorn Natural Environmental Area | Park | 169 | Howard | 39 17 55 N | 076 58 15 W |
| Faith Baptist Church | Church | 57 | Charles | 38 34 35 N | 076 58 15 W |
| Forest Grove | Populated Place | 63 | Charles | 38 34 18 N | 076 58 15 W |
| Cranberry Branch | Stream | | Carroll | 39 34 58 N | 076 58 14 W |
| Scotsdale | Populated Place | 265 | Carroll | 39 30 15 N | 076 58 14 W |
| Bird Hill | Populated Place | 243 | Carroll | 39 29 18 N | 076 58 14 W |
| Buckskin Woods | Populated Place | 179 | Howard | 39 15 15 N | 076 58 14 W |
| Oak Hill Estates | Populated Place | 152 | Montgomery | 39 07 35 N | 076 58 14 W |
| Rolling Acres | Populated Place | 110 | Montgomery | 39 03 26 N | 076 58 14 W |
| Interchange 4 | Crossing | 78 | Prince George's | 38 48 31 N | 076 58 14 W |
| Valley View Community Park | Park | 18 | Prince George's | 38 43 53 N | 076 58 14 W |
| Old Colony (subdivision) | Populated Place | 56 | Charles | 38 32 01 N | 076 58 14 W |
| Saint Pauls United Methodist Church | Church | 126 | Carroll | 39 21 58 N | 076 58 13 W |
| Sitka Church (historical) | Church | 84 | Montgomery | 39 01 28 N | 076 58 13 W |
| Hillcrest Park | Park | 47 | Prince George's | 38 49 42 N | 076 58 13 W |
| Brunetto Acres | Populated Place | 239 | Carroll | 39 35 46 N | 076 58 12 W |
| Ohio Branch | Stream | | Carroll | 39 39 47 N | 076 58 12 W |
| Bixler Valley Estates | Populated Place | 252 | Carroll | 39 40 53 N | 076 58 12 W |
| Saint Barnabas Episcopal Church | Church | 125 | Howard | 39 21 39 N | 076 58 12 W |
| University Gardens | Populated Place | 23 | Prince George's | 38 58 53 N | 076 58 12 W |
| West Hyattsville Metro Station | Locale | 10 | Prince George's | 38 57 18 N | 076 58 12 W |
| Maryland State Police Barrack U | Building | | Calvert | 38 54 16 N | 076 58 11 W |
| Klee Mill | Populated Place | 150 | Carroll | 39 27 58 N | 076 58 11 W |
| Sykesville Historic District | Park | 123 | Carroll | 39 21 57 N | 076 58 10 W |
| Montgomery Industrial Park | Locale | 113 | Montgomery | 39 03 17 N | 076 58 10 W |
| Panorama Special Education Center | School | 85 | Prince George's | 38 50 08 N | 076 58 10 W |
| Walter Mitchell School | School | 55 | Charles | 38 31 10 N | 076 58 10 W |
| Walnut Ridge | Populated Place | 265 | Carroll | 39 33 10 N | 076 58 09 W |
| Sykesville Town Hall | Building | 123 | Carroll | 39 21 55 N | 076 58 09 W |
| Heatherwood | Populated Place | 183 | Howard | 39 19 20 N | 076 58 09 W |
| Highland Lake | Populated Place | 167 | Howard | 39 11 23 N | 076 58 09 W |
| Greenwood Farm | Locale | 133 | Howard | 39 09 35 N | 076 58 09 W |
| George Washington Cemetery | Cemetery | 60 | Prince George's | 39 00 40 N | 076 58 09 W |
| Kaywood Gardens | Populated Place | 28 | Prince George's | 38 56 35 N | 076 58 09 W |
| Walter J Mitchell Elementary School | School | 56 | Charles | 38 31 10 N | 076 58 09 W |
| Cranberry Park | Park | 230 | Carroll | 39 35 16 N | 076 58 08 W |