Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Bohemia Country Club | Locale | 25 | Cecil | 39 27 27 N | 075 53 49 W |
| Bohemia River Marina | Locale | 0 | Cecil | 39 29 14 N | 075 53 44 W |
| Bohemia Vista Marina | Locale | -3 | Cecil | 39 29 10 N | 075 54 04 W |
| Bollingers Mills (historical) | Locale | 128 | Carroll | 39 26 15 N | 076 54 02 W |
| Bonnie View Golf Course | Locale | 120 | Baltimore | 39 22 27 N | 076 39 44 W |
| Bookers Wharf | Locale | 3 | Queen Anne's | 39 07 52 N | 076 04 24 W |
| Botelars Landing (historical) | Locale | 0 | Calvert | 38 25 21 N | 076 34 01 W |
| Bottom Road Racetrack | Locale | 93 | Baltimore | 39 28 30 N | 076 27 55 W |
| Boulevard Corporate Center | Locale | | Baltimore | 39 25 31 N | 076 46 44 W |
| Bowie Race Track | Locale | 33 | Prince George's | 39 00 20 N | 076 44 21 W |
| Bowie Race-Track Stables | Locale | 33 | Prince George's | 38 59 56 N | 076 44 40 W |
| Bowlings Alley | Locale | 49 | Charles | 38 26 26 N | 076 55 06 W |
| Bowmans Plains Industrial Park | Locale | 85 | Frederick | 39 21 40 N | 077 25 53 W |
| Box Hill Square Shopping Center | Locale | 70 | Harford | 39 28 44 N | 076 18 34 W |
| Boyds Farm | Locale | 44 | Calvert | 38 29 25 N | 076 34 27 W |
| Boys Village of Maryland | Locale | 73 | Prince George's | 38 44 15 N | 076 50 27 W |
| Bradburn | Locale | 0 | St. Mary's | 38 05 38 N | 076 22 25 W |
| Bradshaw Station | Locale | 15 | Baltimore | 39 25 14 N | 076 22 41 W |
| Branch Avenue Metro Station | Locale | 86 | Prince George's | 38 49 29 N | 076 54 43 W |
| Branchwood Shopping Center | Locale | 73 | Prince George's | 38 46 03 N | 076 53 02 W |
| Brandon Woods Energy Business Center | Locale | 14 | Anne Arundel | 39 10 31 N | 076 32 46 W |
| Brantwood Golf Course | Locale | 19 | Cecil | 39 33 52 N | 075 48 20 W |
| Bray Green Industrial Park | Locale | 69 | Prince George's | 39 04 47 N | 076 52 09 W |
| Bren-Mar Golf Course | Locale | 38 | Harford | 39 29 28 N | 076 15 35 W |
| Brenbrook Plaza Shopping Center | Locale | 158 | Baltimore | 39 21 48 N | 076 47 12 W |
| Brethren Service Center | Locale | 172 | Carroll | 39 32 45 N | 077 06 12 W |
| Breton Bay Country Club | Locale | 9 | St. Mary's | 38 16 00 N | 076 40 18 W |
| Bretons Bay | Locale | 12 | St. Mary's | 38 15 55 N | 076 39 54 W |
| Bretton Woods Golf Course | Locale | 69 | Montgomery | 39 04 26 N | 077 20 02 W |
| Brew Mahr Mill (historical) | Locale | 745 | Garrett | 39 30 49 N | 079 25 49 W |
| Brick Landing | Locale | 9 | Calvert | 38 21 40 N | 076 23 14 W |
| Brightwater Beach Yacht Club | Locale | 2 | Anne Arundel | 39 09 48 N | 076 32 58 W |
| Brightwells Hunting Quarters | Locale | 58 | Montgomery | 39 04 35 N | 077 24 56 W |
| Brimer Landing | Locale | 0 | Worcester | 38 06 08 N | 075 19 60 W |
| Briscoe Wharf | Locale | 2 | St. Mary's | 38 22 42 N | 076 31 59 W |
| Broad Creek Landing | Locale | 35 | Harford | 39 41 41 N | 076 14 26 W |
| Broad Creek Memorial Scout Camp | Locale | 94 | Harford | 39 41 35 N | 076 16 01 W |
| Broadway Market | Locale | 4 | Baltimore (city) | 39 17 02 N | 076 35 36 W |
| Broadway Recreational Pier | Locale | 1 | Baltimore (city) | 39 16 51 N | 076 35 32 W |
| Brock Hall | Locale | 36 | Prince George's | 38 51 00 N | 076 45 40 W |
| Brookdale Industrial Park | Locale | 56 | Howard | 39 10 39 N | 076 45 49 W |
| Brooke Manor Country Club | Locale | 160 | Montgomery | 39 07 27 N | 077 04 36 W |
| Brookhill Shopping Center | Locale | 143 | Baltimore (city) | 39 21 31 N | 076 42 18 W |
| Brookmead Farms | Locale | 150 | Carroll | 39 30 38 N | 076 51 54 W |
| Broommes Wharf | Locale | 2 | St. Mary's | 38 11 09 N | 076 26 07 W |
| Browning Mill (historical) | Locale | 782 | Garrett | 39 31 07 N | 079 27 54 W |
| Browns Landing | Locale | 1 | Kent | 39 10 39 N | 076 10 24 W |
| Browns Landing | Locale | 1 | Queen Anne's | 38 53 27 N | 076 11 07 W |
| Browns Wharf | Locale | 1 | Baltimore (city) | 39 16 50 N | 076 35 37 W |
| Bruceville Station (historical) | Locale | 142 | Carroll | 39 35 57 N | 077 14 06 W |
| Brummers Mill (historical) | Locale | 91 | Frederick | 39 25 33 N | 077 25 54 W |
| Bryans Road Shopping Center | Locale | 54 | Charles | 38 37 45 N | 077 04 28 W |
| Buckingham Wharf | Locale | 1 | Kent | 39 14 18 N | 076 00 52 W |
| Bucklodge Station | Locale | 134 | Montgomery | 39 11 33 N | 077 20 07 W |
| Budd Landing | Locale | 4 | Cecil | 39 22 24 N | 075 50 18 W |
| Budds Landing | Locale | -2 | Charles | 38 23 15 N | 076 52 47 W |
| Buena Vista Spring Station (historical) | Locale | 406 | Washington | 39 42 38 N | 077 29 34 W |
| Bulle Rock Farm | Locale | 3 | Queen Anne's | 39 03 26 N | 076 09 04 W |
| Bullocks Plaza Shopping Center | Locale | 11 | Caroline | 38 53 18 N | 075 49 24 W |
| Bulls Mount Fishery | Locale | 0 | Cecil | 39 30 12 N | 075 59 14 W |
| Burams Landing | Locale | 4 | Talbot | 38 36 40 N | 076 04 09 W |
| Burgess Landing | Locale | 5 | Charles | 38 25 49 N | 077 10 52 W |
| Burlington | Locale | 6 | St. Mary's | 38 16 08 N | 076 44 52 W |
| Burning Tree Country Club | Locale | 80 | Montgomery | 39 00 03 N | 077 09 01 W |
| Burns Crossing (historical) | Locale | 51 | Anne Arundel | 39 04 22 N | 076 40 30 W |
| Burnt Store | Locale | 55 | Charles | 38 31 18 N | 076 50 26 W |
| Burtonsville Commerce Center | Locale | 136 | Montgomery | 39 06 33 N | 076 55 41 W |
| Burtonsville Crossing Shopping Center | Locale | 150 | Montgomery | 39 06 42 N | 076 56 03 W |
| Burwood Plaza Shopping Center | Locale | 41 | Anne Arundel | 39 11 57 N | 076 38 26 W |
| Bush Chapel Shopping Center | Locale | 57 | Harford | 39 31 09 N | 076 11 04 W |
| Bush River Yacht Club | Locale | -5 | Harford | 39 27 17 N | 076 14 37 W |
| Butlers Landing | Locale | 2 | Queen Anne's | 38 54 50 N | 076 20 20 W |
| Button Beach | Locale | 5 | Kent | 39 17 07 N | 076 11 06 W |
| Buttonwood Beach | Locale | 7 | Cecil | 39 27 30 N | 075 58 04 W |
| Bynum Run Picnic Area | Locale | 87 | Harford | 39 32 25 N | 076 19 47 W |
| Cabin Creek | Locale | 4 | Dorchester | 38 37 39 N | 075 54 48 W |
| Calico Rocks Campground | Locale | 67 | Frederick | 39 15 51 N | 077 31 21 W |
| Calvert Cliffs Nuclear Powerplant | Locale | 38 | Calvert | 38 26 05 N | 076 26 30 W |
| Calvert County Industrial Park | Locale | 8 | Calvert | 38 30 40 N | 076 38 34 W |
| Calvert County Landfill | Locale | 28 | Calvert | 38 32 20 N | 076 37 09 W |
| Calvert Executive Plaza | Locale | 42 | Calvert | 38 32 24 N | 076 35 01 W |
| Calvert Village Shopping Center | Locale | 43 | Calvert | 38 32 42 N | 076 35 27 W |
| Calvert-Anne Arundel Business Park | Locale | 43 | Calvert | 38 42 18 N | 076 34 57 W |
| Calverts Rest | Locale | 4 | St. Mary's | 38 06 09 N | 076 23 29 W |
| Cambridge Country Club | Locale | 3 | Dorchester | 38 34 59 N | 076 07 19 W |
| Cambridge Plaza Shopping Center | Locale | 5 | Dorchester | 38 33 42 N | 076 03 46 W |
| Cambridge Yacht Club | Locale | 2 | Dorchester | 38 34 35 N | 076 04 24 W |
| Camden Junction | Locale | 23 | Baltimore (city) | 39 15 25 N | 076 39 27 W |
| Camden Point Farm | Locale | 2 | Talbot | 38 44 20 N | 076 06 54 W |
| Camden Yards | Locale | 11 | Baltimore (city) | 39 17 01 N | 076 37 18 W |
| Camp 1 | Locale | 351 | Frederick | 39 38 31 N | 077 26 54 W |
| Camp 2 | Locale | 533 | Frederick | 39 38 40 N | 077 28 37 W |
| Camp 3 | Locale | 564 | Frederick | 39 38 54 N | 077 27 49 W |
| Camp Airy | Locale | 233 | Frederick | 39 38 39 N | 077 25 32 W |
| Camp Alkor | Locale | 153 | Baltimore | 39 35 57 N | 076 38 14 W |
| Camp Arlington Echo | Locale | 18 | Anne Arundel | 39 04 40 N | 076 36 36 W |
| Camp Barrett | Locale | 34 | Anne Arundel | 39 00 01 N | 076 36 41 W |
| Camp Bennett | Locale | 125 | Howard | 39 11 57 N | 077 03 21 W |
| Camp Bonkirchen | Locale | 162 | Baltimore | 39 34 20 N | 076 35 44 W |
| Camp Brisson | Locale | 26 | Cecil | 39 29 13 N | 075 57 58 W |
| Camp Brown | Locale | 2 | St. Mary's | 38 04 46 N | 076 22 09 W |
| Camp Calvert | Locale | 26 | St. Mary's | 38 17 08 N | 076 37 38 W |
| Camp Chal-Mar | Locale | 209 | Carroll | 39 31 32 N | 077 03 15 W |
| Camp Cherry Fields | Locale | 2 | St. Mary's | 38 08 34 N | 076 28 11 W |
| Camp Chesapeake (historical) | Locale | 7 | Cecil | 39 29 57 N | 075 59 08 W |
| Camp Cone | Locale | 98 | Harford | 39 40 58 N | 076 16 18 W |
| Camp Conowingo | Locale | 93 | Cecil | 39 41 35 N | 076 11 54 W |
| Camp Conoy | Locale | 17 | Calvert | 38 25 42 N | 076 26 07 W |
| Camp Deer Creek | Locale | 146 | Harford | 39 40 37 N | 076 32 33 W |
| Camp Echo Hill | Locale | 25 | Kent | 39 21 10 N | 076 06 59 W |