| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Bobs Flow | city | Maryland | United States | 39.70 | -76.40 | 830 | |
| Bodkin Manor | city | Maryland | United States | 39.13 | -76.45 | 3 | |
| Bodkin Plains | city | Maryland | United States | 39.11 | -76.48 | 45 | |
| Bodt Corner | city | Maryland | United States | 39.54 | -76.23 | 370 | |
| Bohemia Acres | city | Maryland | United States | 39.46 | -75.89 | 49 | |
| Bohemia Beach | city | Maryland | United States | 39.19 | -76.57 | 3 | |
| Bohemias Mills | city | Maryland | United States | 39.47 | -75.78 | 49 | |
| Bolivar | city | Maryland | United States | 39.47 | -77.59 | 830 | |
| Bolivar Heights | city | Maryland | United States | 39.47 | -77.59 | 830 | |
| Bollinger Estates | city | Maryland | United States | 39.53 | -76.94 | 830 | |
| Bollinger Heights | city | Maryland | United States | 39.71 | -77.25 | 400 | |
| Bolton | city | Maryland | United States | 38.64 | -76.99 | 196 | |
| Bolton | city | Maryland | United States | 39.21 | -75.78 | 45 | |
| Bon Haven | city | Maryland | United States | 38.97 | -76.59 | 3 | |
| Bonaparte Estates | city | Maryland | United States | 39.46 | -76.46 | 396 | |
| Bonaventure | city | Maryland | United States | 39.09 | -76.69 | 173 | |
| Bond Mill Park | city | Maryland | United States | 39.11 | -76.90 | 347 | |
| Bondbrook | city | Maryland | United States | 39.11 | -77.28 | 357 | |
| Bonfield | city | Maryland | United States | 38.68 | -76.16 | 3 | |
| Bonifant Village | city | Maryland | United States | 39.10 | -77.01 | 347 | |
| Boniwood | city | Maryland | United States | 38.73 | -76.91 | 98 | |
| Bonnie Acres | city | Maryland | United States | 39.23 | -76.79 | 830 | |
| Bonnie Acres | city | Maryland | United States | 39.11 | -76.68 | 98 | |
| Bonnie Brae | city | Maryland | United States | 39.40 | -76.94 | 830 | |
| Bonnie Brae | city | Maryland | United States | 39.23 | -76.79 | 400 | |
| Bonnie Brook | city | Maryland | United States | 38.56 | -76.02 | 6 | |
| Bonnie Ridge | city | Maryland | United States | 39.38 | -76.66 | 226 | |
| Boomdecker | city | Maryland | United States | 39.70 | -75.88 | 249 | |
| Boone's Mobile Estates | city | Maryland | United States | 38.81 | -76.68 | 118 | |
| Boones Meadows | city | Maryland | United States | 39.66 | -76.85 | 830 | |
| Boones Mobile Estates | city | Maryland | United States | 38.81 | -76.68 | 118 | |
| Boonsboro | city | Maryland | United States | 38.95 | -75.86 | 49 | |
| Boonsboro | city | Maryland | United States | 39.51 | -77.65 | 830 | |
| Boot Hill | city | Maryland | United States | 39.66 | -75.85 | 200 | |
| Bootjack | city | Maryland | United States | 39.27 | -77.16 | 830 | |
| Bootjack Springs Estates | city | Maryland | United States | 39.47 | -77.47 | 830 | |
| Borden Shaft | city | Maryland | United States | 39.63 | -78.94 | 1938 | |
| Boring | city | Maryland | United States | 39.53 | -76.82 | 830 | |
| Bosley (historical) | city | Maryland | United States | 39.45 | -76.57 | 209 | |
| Boss Arnold Village | city | Maryland | United States | 39.33 | -77.58 | 255 | |
| Bostetter | city | Maryland | United States | 39.66 | -77.75 | 830 | |
| Boulevard Heights | city | Maryland | United States | 38.87 | -76.93 | 249 | |
| Boulevard Park | city | Maryland | United States | 39.10 | -76.48 | 6 | |
| Bountys View | city | Maryland | United States | 38.80 | -76.59 | 98 | |
| Bowen Country | city | Maryland | United States | 38.59 | -76.62 | 42 | |
| Bowen Estates | city | Maryland | United States | 38.60 | -76.76 | 147 | |
| Bowens | city | Maryland | United States | 38.50 | -76.62 | 98 | |
| Bowercrest Park | city | Maryland | United States | 39.51 | -77.07 | 830 | |
| Bowie | city | Maryland | United States | 38.94 | -76.73 | 141 | |
| Bowie Mill Estates | city | Maryland | United States | 39.14 | -77.11 | 830 | |
| Bowie Mill Park | city | Maryland | United States | 39.14 | -77.12 | 416 | |
| Bowleys Quarters | city | Maryland | United States | 39.34 | -76.39 | 3 | |
| Bowling Green | city | Maryland | United States | 39.62 | -78.80 | 830 | |
| Bowling Landing | city | Maryland | United States | 38.68 | -76.70 | 49 | |
| Bowmans Addition | city | Maryland | United States | 39.69 | -78.75 | 830 | |
| Bowmans Mill | city | Maryland | United States | 39.68 | -77.61 | 830 | |
| Box Hill North | city | Maryland | United States | 39.48 | -76.30 | 200 | |
| Box Hill South | city | Maryland | United States | 39.47 | -76.30 | 95 | |
| Boxer Hill Park | city | Maryland | United States | 39.46 | -76.68 | 830 | |
| Boxiron | city | Maryland | United States | 38.12 | -75.35 | 16 | |
| Boxiron Landing | city | Maryland | United States | 38.10 | -75.34 | 3 | |
| Boxwood | city | Maryland | United States | 39.42 | -76.66 | 347 | |
| Boxwood Village | city | Maryland | United States | 39.01 | -76.89 | 141 | |
| Boyds | city | Maryland | United States | 39.18 | -77.31 | 400 | |
| Boyer Mill Heights | city | Maryland | United States | 39.39 | -77.29 | 830 | |
| Bozman | city | Maryland | United States | 38.77 | -76.27 | 3 |