Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Camp-Tuc-Holka | Locale | 130 | Baltimore | 39 36 13 N | 076 37 12 W |
| Campbell | Populated Place | 65 | Howard | 39 09 47 N | 076 47 34 W |
| Campbell | Populated Place | 8 | Worcester | 38 24 42 N | 075 14 16 W |
| Campbell Corner | Populated Place | 86 | Montgomery | 39 00 07 N | 077 10 50 W |
| Campbell Ditch | Stream | | Wicomico | 38 20 15 N | 075 22 47 W |
| Campbell Quarry | Mine | 60 | Baltimore | 39 27 45 N | 076 38 55 W |
| Campers Hill | Populated Place | 117 | Frederick | 39 28 33 N | 077 18 24 W |
| Campfield Elementary School | School | 139 | Baltimore | 39 21 07 N | 076 43 22 W |
| Campground Branch | Stream | | Worcester | 38 11 02 N | 075 22 31 W |
| Campground Bridge | Bridge | 10 | Caroline | 38 47 27 N | 075 44 20 W |
| Camphels Wharf | Locale | 2 | Wicomico | 38 24 00 N | 075 48 06 W |
| Campus Green | Populated Place | 15 | Anne Arundel | 39 03 21 N | 076 30 44 W |
| Campus Heights | Populated Place | 272 | Carroll | 39 32 25 N | 076 59 13 W |
| Campus Hill Farms | Populated Place | 104 | Harford | 39 34 05 N | 076 15 56 W |
| Campus Hills | Populated Place | 133 | Baltimore | 39 24 23 N | 076 34 58 W |
| Campus Hills Estates | Populated Place | 112 | Harford | 39 34 03 N | 076 16 36 W |
| Campus Hills Pond | Reservoir | 127 | Harford | 39 33 18 N | 076 16 29 W |
| Campus Hills Pond Dam | Dam | 127 | Harford | 39 33 18 N | 076 16 29 W |
| Campus Hills Shopping Center | Locale | 132 | Harford | 39 33 24 N | 076 16 23 W |
| Campus Valley Estates | Populated Place | 113 | Harford | 39 33 45 N | 076 16 16 W |
| Canal Creek | Stream | | Harford | 39 23 21 N | 076 18 60 W |
| Canal View Estates | Populated Place | 13 | Cecil | 39 32 10 N | 075 47 50 W |
| Canal Walk Park | Park | 4 | Wicomico | 38 21 44 N | 075 36 01 W |
| Canal Wildlife Management Area | Park | 15 | Cecil | 39 31 31 N | 075 47 32 W |
| Canavest (historical) | Populated Place | 67 | Frederick | 39 16 22 N | 077 32 22 W |
| Canbury Woods | Populated Place | 28 | Howard | 39 12 14 N | 076 43 01 W |
| Candice Estates | Populated Place | 232 | Carroll | 39 23 36 N | 077 08 43 W |
| Candlewick | Populated Place | 180 | Carroll | 39 23 52 N | 076 59 44 W |
| Candlewood | Populated Place | 32 | Anne Arundel | 39 05 21 N | 076 35 08 W |
| Candlewood Elementary School | School | 136 | Montgomery | 39 07 44 N | 077 08 50 W |
| Caney Creek | Stream | | Calvert | 38 30 45 N | 076 39 43 W |
| Canninghouse Cove Marsh | Swamp | 1 | Anne Arundel | 38 52 37 N | 076 31 36 W |
| Cannon Acres | Populated Place | 6 | Dorchester | 38 33 23 N | 076 00 44 W |
| Cannon Farm | Populated Place | 13 | Wicomico | 38 23 53 N | 075 33 19 W |
| Cannon Road Elementary School | School | 111 | Montgomery | 39 04 07 N | 076 59 39 W |
| Cannon Stadium | Park | 58 | Anne Arundel | 39 09 14 N | 076 42 57 W |
| Cannons Corner | Locale | 15 | Caroline | 38 53 26 N | 075 53 17 W |
| Cannons Old Field Bar | Bar | -3 | St. Mary's | 38 18 50 N | 076 49 46 W |
| Canoe Neck | Cape | 6 | St. Mary's | 38 16 00 N | 076 43 51 W |
| Canoe Neck Creek | Stream | | St. Mary's | 38 15 08 N | 076 43 39 W |
| Canterbury | Populated Place | 39 | Baltimore | 39 21 08 N | 076 28 22 W |
| Canterbury | Populated Place | 226 | Carroll | 39 31 42 N | 077 01 43 W |
| Canterbury | Populated Place | 4 | Talbot | 38 43 13 N | 076 06 16 W |
| Canterbury | Populated Place | 13 | Wicomico | 38 26 01 N | 075 37 44 W |
| Canterbury Estates | Populated Place | 165 | Baltimore | 39 23 43 N | 076 42 56 W |
| Canterbury Riding | Populated Place | 79 | Howard | 39 07 25 N | 076 50 44 W |
| Canterbury School | School | 55 | Prince George's | 38 40 38 N | 077 01 10 W |
| Canton | Populated Place | 21 | Baltimore (city) | 39 16 49 N | 076 33 60 W |
| Canton | Populated Place | 11 | Wicomico | 38 22 16 N | 075 35 16 W |
| Canton Branch Enoch Pratt Free Library | Building | 12 | Baltimore (city) | 39 16 48 N | 076 34 23 W |
| Canton Historic District | Park | 13 | Baltimore (city) | 39 16 56 N | 076 34 32 W |
| Canton Industrial Area | Locale | 6 | Baltimore (city) | 39 16 22 N | 076 33 34 W |
| Canton Industrial Park | Locale | 18 | Baltimore | 39 17 59 N | 076 30 60 W |
| Canton School | School | 23 | Baltimore (city) | 39 16 58 N | 076 34 07 W |
| Canton United Methodist Church | Church | 15 | Baltimore (city) | 39 16 52 N | 076 34 23 W |
| Canton Yard | Locale | 2 | Baltimore (city) | 39 16 06 N | 076 33 57 W |
| Cape Anne | Populated Place | 1 | Anne Arundel | 38 47 43 N | 076 31 33 W |
| Cape Arthur | Populated Place | 6 | Anne Arundel | 39 04 44 N | 076 31 29 W |
| Cape Hill Farms | Populated Place | 286 | Carroll | 39 38 11 N | 076 53 01 W |
| Cape Horn South | Populated Place | 265 | Carroll | 39 37 02 N | 076 53 58 W |
| Cape Isle of Wight | Populated Place | 2 | Worcester | 38 21 10 N | 075 07 05 W |
| Cape Leonard | Populated Place | 19 | Calvert | 38 24 07 N | 076 29 31 W |
| Cape Loch Haven | Populated Place | 7 | Anne Arundel | 38 55 25 N | 076 31 25 W |
| Cape May Beach | Populated Place | 6 | Baltimore | 39 18 09 N | 076 25 04 W |
| Cape May Landing | Populated Place | 5 | Baltimore | 39 17 55 N | 076 25 33 W |
| Cape McKinsey | Populated Place | 6 | Anne Arundel | 39 04 33 N | 076 31 21 W |
| Cape Pleasant | Populated Place | 0 | Worcester | 38 26 28 N | 075 07 32 W |
| Cape Sable | Populated Place | 8 | Anne Arundel | 39 04 47 N | 076 30 12 W |
| Cape Saint Claire | Populated Place | 25 | Anne Arundel | 39 02 35 N | 076 26 42 W |
| Cape Saint Claire Elementary School | School | 23 | Anne Arundel | 39 02 20 N | 076 26 42 W |
| Cape Saint Claire Fire Company 19 | Building | | Anne Arundel | 39 02 05 N | 076 26 24 W |
| Cape Saint Claire Recreation Area | Park | 7 | Anne Arundel | 39 02 20 N | 076 26 14 W |
| Cape Saint Claire Shopping Center | Locale | | Anne Arundel | 39 02 15 N | 076 26 25 W |
| Cape Saint Claire United Methodist Church | Church | 24 | Anne Arundel | 39 02 29 N | 076 26 50 W |
| Cape Saint Claire Volunteer Fire Company 19 | Building | | Anne Arundel | 39 03 55 N | 076 44 39 W |
| Cape Saint John | Populated Place | 15 | Anne Arundel | 38 57 40 N | 076 34 12 W |
| Cape Saint Marys Marina | Locale | 0 | St. Mary's | 38 25 06 N | 076 37 13 W |
| Capetowne | Populated Place | 25 | Anne Arundel | 39 01 57 N | 076 28 48 W |
| Capital Bible Seminary | Building | | Prince George's | 38 58 48 N | 076 51 52 W |
| Capital Plaza Mall Shopping Center | Locale | 50 | Prince George's | 38 56 30 N | 076 54 31 W |
| Capital View Park | Park | 92 | Montgomery | 39 01 14 N | 077 03 18 W |
| Capitol College | School | 54 | Prince George's | 39 02 50 N | 076 51 04 W |
| Capitol Estates | Populated Place | 61 | Charles | 38 35 10 N | 076 57 19 W |
| Capitol Heights | Populated Place | 37 | Prince George's | 38 53 06 N | 076 54 57 W |
| Capitol Heights Elementary School | School | 57 | Prince George's | 38 52 54 N | 076 54 45 W |
| Capitol Heights Metro Station | Locale | 30 | Prince George's | 38 53 21 N | 076 54 47 W |
| Capitol Heights Plaza Shopping Center | Locale | 83 | Prince George's | 38 51 50 N | 076 53 55 W |
| Capitol Heights Police Department | Building | | Prince George's | 39 28 45 N | 077 31 39 W |
| Capitol Heights School | School | 39 | Prince George's | 38 53 04 N | 076 54 49 W |
| Capitol Heights Vokunteer Fire Department | Building | | Prince George's | 39 28 45 N | 077 31 19 W |
| Capitol Heights Volunteer Fire Department | Building | | Prince George's | 39 28 45 N | 077 31 19 W |
| Capitol Hills | Populated Place | 46 | Anne Arundel | 39 11 55 N | 076 37 01 W |
| Capitol Office Park | Locale | 31 | Prince George's | 39 00 25 N | 076 53 44 W |
| Capitol Raceway | Locale | 43 | Anne Arundel | 39 02 07 N | 076 42 16 W |
| Capitol View Park | Populated Place | 119 | Montgomery | 39 01 20 N | 077 03 38 W |
| Capitola | Populated Place | 2 | Wicomico | 38 17 19 N | 075 48 23 W |
| Capri Estates | Populated Place | 4 | Anne Arundel | 39 04 10 N | 076 30 34 W |
| Captain James E Daly Elementary School | School | 130 | Montgomery | 39 11 18 N | 077 13 59 W |
| Captain John Church (historical) | Church | 122 | Montgomery | 39 01 35 N | 077 12 20 W |
| Captain Point | Cape | -4 | St. Mary's | 38 23 16 N | 076 33 01 W |
| Captains Choice | Populated Place | 16 | Anne Arundel | 39 00 50 N | 076 29 14 W |
| Captains Cove | Populated Place | 20 | Anne Arundel | 39 04 50 N | 076 34 03 W |
| Captains Hill | Populated Place | 1 | Worcester | 38 21 03 N | 075 05 59 W |
| Captains Knoll | Populated Place | 1 | Worcester | 38 21 09 N | 075 06 56 W |
| Captains Walk (subdivision) | Populated Place | 12 | Anne Arundel | 38 58 06 N | 076 30 54 W |
| Cara Cove | Bay | -7 | Cecil | 39 32 10 N | 075 58 04 W |
| Carderock | Populated Place | 45 | Montgomery | 38 58 39 N | 077 11 40 W |
| Carderock Park | Park | 44 | Montgomery | 38 58 38 N | 077 09 58 W |
| Carderock Springs | Populated Place | 76 | Montgomery | 38 59 20 N | 077 10 03 W |
| Carderock Springs Elementary School | School | 79 | Montgomery | 38 58 59 N | 077 10 18 W |