Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Gorsuch Mills | Populated Place | 161 | Baltimore | 39 42 25 N | 076 35 17 W |
| Gorsuch Station (historical) | Locale | 205 | Carroll | 39 34 30 N | 076 57 32 W |
| Gortner | Populated Place | 741 | Garrett | 39 21 18 N | 079 25 39 W |
| Gortner Cemetery | Cemetery | 746 | Garrett | 39 21 11 N | 079 25 37 W |
| Gortner Union Church | Church | 744 | Garrett | 39 21 12 N | 079 25 37 W |
| Goshen | Populated Place | 124 | Montgomery | 39 12 12 N | 077 11 15 W |
| Goshen Branch | Stream | | Montgomery | 39 12 08 N | 077 12 10 W |
| Goshen Branch Park | Park | 114 | Montgomery | 39 12 20 N | 077 11 27 W |
| Goshen Crossing Shopping Center | Locale | 147 | Montgomery | 39 11 08 N | 077 11 17 W |
| Goshen Elementary School | School | 154 | Montgomery | 39 11 40 N | 077 10 45 W |
| Goshen Hunt Estates | Populated Place | 150 | Montgomery | 39 12 35 N | 077 10 34 W |
| Goshen Hunt Hills | Populated Place | 152 | Montgomery | 39 12 41 N | 077 10 05 W |
| Goshen Mennonite Cemetery | Cemetery | 144 | Montgomery | 39 12 25 N | 077 10 25 W |
| Goshen Mennonite Church | Church | 146 | Montgomery | 39 12 26 N | 077 10 27 W |
| Goshen Recreational Park | Park | 143 | Montgomery | 39 13 26 N | 077 13 03 W |
| Gosnell | Populated Place | 218 | Carroll | 39 24 07 N | 077 05 48 W |
| Gospel Assembly Church | Church | 22 | Baltimore (city) | 39 14 17 N | 076 36 17 W |
| Gospel Light Church | Church | 127 | Cecil | 39 42 04 N | 075 57 22 W |
| Gospel Spreading Church of God | Church | 152 | Carroll | 39 32 37 N | 077 09 53 W |
| Gospel Tabernacle | Church | 10 | Cecil | 39 36 42 N | 075 49 34 W |
| Gospel Tabernacle Church | Church | 86 | Baltimore (city) | 39 18 37 N | 076 40 12 W |
| Gospel Temple | Church | 36 | Baltimore (city) | 39 17 29 N | 076 35 16 W |
| Gotts | Populated Place | 39 | Anne Arundel | 39 02 11 N | 076 36 07 W |
| Goucher College | School | 132 | Baltimore | 39 24 34 N | 076 35 37 W |
| Goucher Woods | Populated Place | 149 | Baltimore | 39 23 57 N | 076 35 03 W |
| Gough Church | Church | 137 | Baltimore | 39 30 46 N | 076 42 19 W |
| Gouldtown Cemetery | Cemetery | 4 | Queen Anne's | 39 01 29 N | 076 08 16 W |
| Gouldtown Church | Church | 5 | Queen Anne's | 39 01 28 N | 076 08 15 W |
| Govans Branch Enoch Pratt Free Library | Building | 122 | Baltimore (city) | 39 21 34 N | 076 36 41 W |
| Govans Presbyterian Church | Church | 122 | Baltimore (city) | 39 21 44 N | 076 36 39 W |
| Govans School | School | 115 | Baltimore (city) | 39 21 38 N | 076 36 28 W |
| Govans Station Baltimore Post Office | Post Office | 100 | Baltimore (city) | 39 20 55 N | 076 36 36 W |
| Govans-Boundary Parish United Methodist Church | Church | 110 | Baltimore (city) | 39 21 11 N | 076 36 38 W |
| Govanstown | Populated Place | 113 | Baltimore (city) | 39 21 50 N | 076 36 35 W |
| Government Smallwood House | Building | 17 | Charles | 38 33 16 N | 077 11 14 W |
| Governor Bridge | Bridge | 6 | Prince George's | 38 57 05 N | 076 41 35 W |
| Governor Century Plaza Shopping Center | Locale | 123 | Howard | 39 12 51 N | 076 52 14 W |
| Governor Grayson Manor | Populated Place | 5 | Queen Anne's | 38 57 20 N | 076 09 54 W |
| Governor Hicks House | Building | 3 | Dorchester | 38 28 55 N | 075 49 30 W |
| Governor Plaza Shopping Center | Locale | 17 | Anne Arundel | 39 11 42 N | 076 36 37 W |
| Governor Run | Populated Place | 7 | Calvert | 38 30 00 N | 076 30 16 W |
| Governor Run | Stream | | Calvert | 38 29 57 N | 076 30 10 W |
| Governor Sharpes Millpond | Lake | 5 | Anne Arundel | 39 01 33 N | 076 26 54 W |
| Governor Thomas Johnson High School | School | 97 | Frederick | 39 26 03 N | 077 24 21 W |
| Governor Thomas Johnson Middle Sschool | School | 86 | Frederick | 39 26 23 N | 077 23 54 W |
| Governors Choice Industrial Park | Locale | 102 | Frederick | 39 27 21 N | 077 24 14 W |
| Governors Mansion | Building | 12 | Anne Arundel | 38 58 44 N | 076 29 32 W |
| Governors Yacht Club | Locale | 0 | Baltimore (city) | 39 16 56 N | 076 36 34 W |
| Grace African Methodist Episcopal Church | Church | 158 | Baltimore | 39 16 30 N | 076 44 20 W |
| Grace and Truth Gospel Hall | Church | 91 | Baltimore (city) | 39 18 40 N | 076 40 15 W |
| Grace Baptist Church | Church | 198 | Allegany | 39 39 01 N | 078 46 10 W |
| Grace Baptist Church | Church | 62 | Baltimore (city) | 39 19 37 N | 076 35 38 W |
| Grace Baptist Church | Church | 13 | Dorchester | 38 38 07 N | 075 51 55 W |
| Grace Baptist Church | Church | 36 | Prince George's | 38 59 20 N | 076 44 03 W |
| Grace Bible Baptist Church | Church | 32 | St. Mary's | 38 15 43 N | 076 27 15 W |
| Grace Bible Church | Church | 304 | Carroll | 39 38 58 N | 076 53 11 W |
| Grace Brethren Church | Church | 32 | Calvert | 38 43 09 N | 076 36 07 W |
| Grace Brethren Church | Church | 56 | Charles | 38 34 21 N | 076 51 40 W |
| Grace Brethren Church | Church | 49 | Prince George's | 38 58 43 N | 076 51 40 W |
| Grace Brethren Church | Church | 82 | Prince George's | 38 49 16 N | 076 57 22 W |
| Grace Brethren Church | Church | 164 | Washington | 39 37 36 N | 077 43 43 W |
| Grace Cemetery | Cemetery | 154 | Carroll | 39 39 38 N | 077 10 49 W |
| Grace Cemetery | Cemetery | 0 | Dorchester | 38 28 15 N | 076 18 32 W |
| Grace Cemetery | Cemetery | 23 | Howard | 39 12 51 N | 076 42 36 W |
| Grace Cemetery | Cemetery | 77 | Howard | 39 08 22 N | 076 49 11 W |
| Grace Cemetery | Cemetery | 63 | Prince George's | 38 39 47 N | 076 48 16 W |
| Grace Cemetery | Cemetery | 3 | Somerset | 38 14 38 N | 075 46 10 W |
| Grace Church | Church | 7 | Anne Arundel | 39 09 26 N | 076 31 06 W |
| Grace Church | Church | 199 | Baltimore | 39 28 38 N | 076 42 29 W |
| Grace Church | Church | 240 | Baltimore | 39 35 41 N | 076 48 36 W |
| Grace Church | Church | 58 | Charles | 38 37 51 N | 077 03 48 W |
| Grace Church | Church | 104 | Harford | 39 38 14 N | 076 12 17 W |
| Grace Church | Church | 67 | Howard | 39 08 17 N | 076 49 12 W |
| Grace Church | Church | 111 | Montgomery | 39 00 22 N | 077 02 16 W |
| Grace Church | Church | 64 | Prince George's | 38 43 45 N | 076 58 39 W |
| Grace Church | Church | 2 | Somerset | 38 11 37 N | 075 47 01 W |
| Grace Church | Church | 3 | Somerset | 38 14 38 N | 075 46 09 W |
| Grace Church | Church | 1 | Wicomico | 38 17 31 N | 075 50 05 W |
| Grace Church | Church | 10 | Wicomico | 38 22 14 N | 075 35 26 W |
| Grace Creek | Bay | -3 | Talbot | 38 45 15 N | 076 15 30 W |
| Grace Creek | Populated Place | 3 | Talbot | 38 45 19 N | 076 16 08 W |
| Grace English Evangelical Lutheran Church | Church | 110 | Baltimore | 39 25 35 N | 076 38 18 W |
| Grace Episcopal Cemetery | Cemetery | 116 | Montgomery | 39 00 19 N | 077 02 16 W |
| Grace Episcopal Church | Church | 167 | Frederick | 39 22 58 N | 077 16 09 W |
| Grace Episcopal Church | Church | 92 | Frederick | 39 18 45 N | 077 37 28 W |
| Grace Episcopal Church | Church | 78 | Howard | 39 12 43 N | 076 44 54 W |
| Grace Episcopal Church | Church | 37 | Howard | 39 12 49 N | 076 42 38 W |
| Grace Episcopal Day School | School | 77 | Montgomery | 39 00 37 N | 077 04 48 W |
| Grace Evangelical Lutheran Church | Church | 83 | Baltimore (city) | 39 20 56 N | 076 33 49 W |
| Grace Evangelical Lutheran Church | Church | 123 | Frederick | 39 32 01 N | 077 18 54 W |
| Grace Hampden Methodist Church | Church | 77 | Baltimore (city) | 39 19 52 N | 076 38 00 W |
| Grace Harbour (subdivision) | Populated Place | 101 | Harford | 39 33 40 N | 076 07 09 W |
| Grace Hill Jacobs Office Classroom Building | Building | | Baltimore (city) | 39 18 38 N | 076 39 34 W |
| Grace Lutheran Church | Church | 233 | Carroll | 39 34 32 N | 076 59 50 W |
| Grace Lutheran Church | Church | 56 | Charles | 38 31 52 N | 076 57 34 W |
| Grace Lutheran Church | Church | 46 | Prince George's | 38 57 49 N | 076 43 51 W |
| Grace Lutheran Church | Church | 8 | Talbot | 38 46 14 N | 076 04 23 W |
| Grace Memorial Baptist Church | Church | 32 | Baltimore (city) | 39 18 11 N | 076 35 59 W |
| Grace Methodist Church | Church | 16 | Queen Anne's | 39 02 34 N | 076 04 01 W |
| Grace Methodist Episcopal Church (historical) | Church | 64 | Prince George's | 38 39 47 N | 076 48 18 W |
| Grace Presbyterian Church | Church | 136 | Washington | 39 41 55 N | 078 10 37 W |
| Grace Reformed Episcopal Church | Church | 23 | Harford | 39 32 43 N | 076 05 35 W |
| Grace Reformed United Church of Christ | Church | 90 | Frederick | 39 25 00 N | 077 24 34 W |
| Grace Trinity Reformed United Church of Christ | Church | 120 | Frederick | 39 23 40 N | 077 20 17 W |
| Grace United Brethren Church (historical) | Church | 182 | Washington | 39 39 00 N | 077 43 45 W |
| Grace United Church of Christ | Church | 9 | Baltimore (city) | 39 16 24 N | 076 36 52 W |
| Grace United Church of Christ | Church | 152 | Carroll | 39 37 52 N | 077 15 29 W |
| Grace United Church of Christ | Church | 158 | Carroll | 39 39 39 N | 077 10 43 W |
| Grace United Methodist Church | Church | 214 | Allegany | 39 38 12 N | 078 45 45 W |
| Grace United Methodist Church | Church | 523 | Allegany | 39 35 22 N | 078 57 02 W |