Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Barksdale | Populated Place | 63 | Cecil | 39 40 08 N | 075 48 53 W |
| Street | Populated Place | 160 | Harford | 39 40 08 N | 076 22 46 W |
| Street Post Office | Post Office | 158 | Harford | 39 40 08 N | 076 22 40 W |
| Wivell Estates | Populated Place | 180 | Frederick | 39 40 08 N | 077 22 23 W |
| Manahan Ranch Estates | Populated Place | 328 | Frederick | 39 40 08 N | 077 27 59 W |
| Woodlands (subdivision) | Populated Place | 195 | Washington | 39 40 08 N | 077 43 56 W |
| Faith Independence Baptist Church | Church | 660 | Allegany | 39 40 08 N | 078 55 45 W |
| Lions Park | Park | 659 | Allegany | 39 40 08 N | 078 55 59 W |
| Greenfield Acres | Populated Place | 116 | Cecil | 39 40 07 N | 076 04 06 W |
| Highland View | Populated Place | 128 | Harford | 39 40 07 N | 076 20 47 W |
| Highland School | School | 159 | Harford | 39 40 07 N | 076 22 39 W |
| Pine Valley Park | Park | 267 | Carroll | 39 40 07 N | 076 53 08 W |
| Union Mills (historical) | Building | 165 | Carroll | 39 40 07 N | 077 01 07 W |
| Bush Ridge | Ridge | 471 | Allegany | 39 40 07 N | 078 38 52 W |
| The Narrows | Gap | 198 | Allegany | 39 40 07 N | 078 47 06 W |
| Wills Mountain State Park | Park | 244 | Allegany | 39 40 07 N | 078 46 54 W |
| Switch Number 9 | Locale | 529 | Allegany | 39 40 07 N | 078 54 21 W |
| Highland Reading Center | Building | 160 | Harford | 39 40 06 N | 076 22 39 W |
| Fountaindale School | School | 176 | Washington | 39 40 06 N | 077 43 05 W |
| Interchange 8 | Crossing | 195 | Washington | 39 40 06 N | 077 44 11 W |
| McNamee Hill | Summit | 276 | Allegany | 39 40 06 N | 078 44 01 W |
| Pleasant View | Populated Place | 106 | Cecil | 39 40 05 N | 076 06 57 W |
| Deep Run | Stream | | Carroll | 39 40 05 N | 077 00 44 W |
| Terrace Hills | Populated Place | 177 | Washington | 39 40 05 N | 077 42 08 W |
| Mount Tabor United Brethren Church | Church | 169 | Washington | 39 40 05 N | 077 48 19 W |
| Zihlman | Populated Place | 486 | Allegany | 39 40 05 N | 078 54 54 W |
| Saint John Rock | Summit | 885 | Garrett | 39 40 05 N | 078 58 03 W |
| Ady Estates | Populated Place | 121 | Harford | 39 40 04 N | 076 21 14 W |
| Pipe Creek Mill | Populated Place | 145 | Carroll | 39 40 04 N | 077 06 09 W |
| South Branch Casselman River | Stream | | Garrett | 39 40 04 N | 079 10 36 W |
| Highland Church | Church | 160 | Harford | 39 40 03 N | 076 22 43 W |
| Clermont Mills (historical) | Locale | 134 | Harford | 39 40 03 N | 076 25 56 W |
| Donney Brook Farms | Populated Place | 220 | Baltimore | 39 40 03 N | 076 46 39 W |
| Union Mills Homestead Park | Park | 166 | Carroll | 39 40 03 N | 077 01 08 W |
| Bullock | Populated Place | 119 | Frederick | 39 40 03 N | 077 15 33 W |
| North Branch Casselman River | Stream | | Garrett | 39 40 03 N | 079 10 36 W |
| West Branch Little Northeast Creek | Stream | | Cecil | 39 40 02 N | 075 56 05 W |
| Conowingo Station | Locale | 33 | Cecil | 39 40 02 N | 076 10 08 W |
| Highland Cemetery | Cemetery | 160 | Harford | 39 40 02 N | 076 22 44 W |
| Millwood | Populated Place | 252 | Carroll | 39 40 02 N | 076 51 00 W |
| District 1 (Taneytown) Election District | Civil | 140 | Carroll | 39 40 02 N | 077 10 38 W |
| Log Schoolhouse Farms | Locale | 249 | Carroll | 39 40 01 N | 076 50 32 W |
| Pleasant Acres (subdivision) | Populated Place | 279 | Carroll | 39 40 01 N | 076 53 44 W |
| Rock Ridge Pond Dam | Dam | 125 | Harford | 39 40 00 N | 076 21 11 W |
| Rock Ridge Ponds | Reservoir | 125 | Harford | 39 40 00 N | 076 21 11 W |
| Sixth District School | School | 252 | Baltimore | 39 40 00 N | 076 42 44 W |
| Christmas Tree Park | Park | 313 | Carroll | 39 40 00 N | 076 52 35 W |
| Black and Decker Manufacturing Company Dam | Dam | 181 | Carroll | 39 40 00 N | 077 00 29 W |
| Black and Decker Manufacturing Company Reservoir | Reservoir | 181 | Carroll | 39 40 00 N | 077 00 29 W |
| Silver Run | Stream | | Carroll | 39 40 00 N | 077 06 20 W |
| Glass | Populated Place | 122 | Frederick | 39 40 00 N | 077 17 29 W |
| Blacks Hilltop Orchard | Woods | 262 | Frederick | 39 40 00 N | 077 23 43 W |
| WJEJ-AM (Hagerstown) | Tower | 183 | Washington | 39 40 00 N | 077 43 29 W |
| Indian Springs Run | Stream | | Washington | 39 40 00 N | 077 59 38 W |
| Allegany County | Civil | 410 | Allegany | 39 40 00 N | 078 39 59 W |
| Interchange 45 | Crossing | 274 | Allegany | 39 40 00 N | 078 44 11 W |
| Narrows Park | Populated Place | 219 | Allegany | 39 40 00 N | 078 48 01 W |
| Piney Mountain | Summit | 738 | Garrett | 39 40 00 N | 078 50 34 W |
| Pawnee Lake Hills | Populated Place | 103 | Cecil | 39 39 59 N | 075 54 05 W |
| Amos Island (historical) | Island | 30 | Harford | 39 39 59 N | 076 11 12 W |
| Highland (historical) | Populated Place | 154 | Harford | 39 39 59 N | 076 22 23 W |
| Dykes Creek | Stream | | Baltimore | 39 39 59 N | 076 45 01 W |
| Indian Springs | Spring | 368 | Washington | 39 39 59 N | 077 57 54 W |
| Viking Highlands | Populated Place | 132 | Harford | 39 39 58 N | 076 20 59 W |
| Beetree Run | Stream | | Baltimore | 39 39 58 N | 076 40 21 W |
| Holland Hills (subdivision) | Populated Place | 283 | Carroll | 39 39 58 N | 076 53 36 W |
| Raven Rock Hollow | Valley | | Washington | 39 39 58 N | 077 33 00 W |
| District 35 (East Cumberland) Election District | Civil | 274 | Allegany | 39 39 58 N | 078 44 16 W |
| District 23 (Decatur) Election District | Civil | 236 | Allegany | 39 39 58 N | 078 45 07 W |
| Black Sulphur Spring | Spring | 274 | Allegany | 39 39 57 N | 078 29 57 W |
| Allegany County Infirmary (historical) | Hospital | 218 | Allegany | 39 39 57 N | 078 45 53 W |
| Lovers Leap | Cliff | 363 | Allegany | 39 39 57 N | 078 46 40 W |
| Northeast Elementary School | School | 249 | Allegany | 39 39 57 N | 078 46 14 W |
| Berwyn Heights Volunteer Fire Department | Building | | Prince George's | 39 39 57 N | 077 31 14 W |
| Barksdale Farms | Populated Place | 54 | Cecil | 39 39 56 N | 075 48 45 W |
| Valley Mill Farms | Populated Place | 229 | Baltimore | 39 39 56 N | 076 41 34 W |
| Western Maryland Hospital Center | Hospital | 179 | Washington | 39 39 56 N | 077 43 03 W |
| Sylvan Grove School (historical) | School | 175 | Washington | 39 39 56 N | 077 47 60 W |
| Ridgley Cemetery | Cemetery | 747 | Garrett | 39 39 56 N | 079 11 07 W |
| College Green | Locale | 138 | Cecil | 39 39 55 N | 076 00 60 W |
| Hamilton Park (subdivision) | Populated Place | 188 | Washington | 39 39 55 N | 077 43 19 W |
| Northern Middle School | School | 173 | Washington | 39 39 55 N | 077 42 49 W |
| Spring Hill Estates | Populated Place | 176 | Washington | 39 39 55 N | 077 47 58 W |
| Negro Mountain Church | Church | 796 | Garrett | 39 39 55 N | 079 13 08 W |
| Holy Cross Cemetery | Cemetery | 165 | Harford | 39 39 54 N | 076 24 27 W |
| Holy Cross Church | Church | 165 | Harford | 39 39 54 N | 076 24 27 W |
| Bachman Valley Estates | Populated Place | 202 | Carroll | 39 39 54 N | 076 56 19 W |
| Arters Mill | Populated Place | 163 | Carroll | 39 39 54 N | 077 04 18 W |
| Cedar Hills | Populated Place | 159 | Washington | 39 39 54 N | 077 39 44 W |
| District 15 (Indian Spring) Election District | Civil | 148 | Washington | 39 39 54 N | 078 00 36 W |
| Steel Cemetery | Cemetery | 471 | Garrett | 39 39 54 N | 079 24 01 W |
| Ayers Chapel | Church | 178 | Harford | 39 39 53 N | 076 32 33 W |
| Bixler Cemetery | Cemetery | 213 | Carroll | 39 39 53 N | 076 57 28 W |
| Bixler Church | Church | 213 | Carroll | 39 39 53 N | 076 57 29 W |
| Bixlers United Brethren of Christ Church (historical) | Church | 213 | Carroll | 39 39 53 N | 076 57 29 W |
| Carroll Heights (subdivision) | Populated Place | 188 | Washington | 39 39 53 N | 077 43 39 W |
| Northern Garrett County Senior High School | School | 741 | Garrett | 39 39 53 N | 079 17 51 W |
| Barksdale Station (historical) | Locale | 52 | Cecil | 39 39 52 N | 075 48 53 W |
| Boot Hill | Populated Place | 74 | Cecil | 39 39 52 N | 075 51 08 W |
| Boot Hill Cemetery | Cemetery | 76 | Cecil | 39 39 52 N | 075 51 02 W |
| Molitor Estates | Populated Place | 70 | Cecil | 39 39 52 N | 075 50 39 W |
| Blacks School (historical) | School | 111 | Cecil | 39 39 52 N | 076 02 07 W |
| Rowlandsville Post Office (historical) | Post Office | 25 | Cecil | 39 39 52 N | 076 08 52 W |
| Warner Gap Hollow | Valley | | Washington | 39 39 52 N | 077 33 03 W |
| Bostetter | Populated Place | 186 | Washington | 39 39 52 N | 077 45 13 W |
| Sylvan Grove | Populated Place | 155 | Washington | 39 39 52 N | 077 47 49 W |
| Fairview Outdoor Education Center | School | 193 | Washington | 39 39 52 N | 077 56 19 W |
| Rose Meadow Cemetery | Cemetery | 612 | Allegany | 39 39 52 N | 078 52 48 W |
| Friendsville Volunteer Fire Department | Building | 457 | Garrett | 39 39 52 N | 079 24 09 W |
| District 10 (Hauvers) Election District | Civil | 412 | Frederick | 39 39 51 N | 077 28 38 W |