Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Washington Street Historic District | Park | 197 | Allegany | 39 39 05 N | 078 46 12 W |
| Waverly Street Bridge | Bridge | 280 | Allegany | 39 29 06 N | 079 02 44 W |
| Waxler Cemetery | Cemetery | 330 | Allegany | 39 30 35 N | 078 55 34 W |
| WCBC-AM (Cumberland) | Tower | 492 | Allegany | 39 40 28 N | 078 46 47 W |
| Welsh Memorial Baptist Church | Church | 628 | Allegany | 39 39 17 N | 078 55 47 W |
| Wesleyan Memorial Park | Cemetery | 229 | Allegany | 39 34 08 N | 078 42 07 W |
| West Side Elementary School | School | 203 | Allegany | 39 38 58 N | 078 46 23 W |
| West Side Fire Station | Building | 193 | Allegany | 39 39 00 N | 078 46 15 W |
| Westernport | Populated Place | 279 | Allegany | 39 29 07 N | 079 02 41 W |
| Westernport Elementary School | School | 360 | Allegany | 39 29 05 N | 079 02 13 W |
| Westernport Police Department | Building | | Allegany | 39 48 51 N | 079 04 53 W |
| Westernport Post Office | Post Office | 279 | Allegany | 39 29 06 N | 079 02 41 W |
| Westmar High School | School | 447 | Allegany | 39 33 38 N | 078 59 17 W |
| Westminster Residence Hall | Building | 587 | Allegany | 39 39 07 N | 078 56 14 W |
| WFWM-FM (Frostburg) | Tower | 877 | Allegany | 39 34 54 N | 078 53 52 W |
| White Oak Hollow | Valley | | Allegany | 39 42 14 N | 078 28 11 W |
| White Oaks Shopping Center | Locale | 208 | Allegany | 39 37 48 N | 078 44 37 W |
| White Sulphur Run | Stream | | Allegany | 39 39 39 N | 078 27 25 W |
| White Sulphur Spring | Spring | 243 | Allegany | 39 39 03 N | 078 29 28 W |
| Whittaker Ridge | Ridge | 290 | Allegany | 39 41 05 N | 078 32 50 W |
| Wildcat Hollow | Valley | | Allegany | 39 27 39 N | 079 00 16 W |
| Wildcat Hollow | Valley | | Allegany | 39 36 17 N | 078 42 04 W |
| Wiley Ford | Crossing | 182 | Allegany | 39 37 18 N | 078 46 24 W |
| Wiley Ford Bridge | Bridge | 182 | Allegany | 39 37 18 N | 078 46 24 W |
| Williams Hollow | Valley | | Allegany | 39 39 29 N | 078 35 15 W |
| Willow Brook | Stream | | Allegany | 39 40 15 N | 078 47 14 W |
| Wills Creek | Stream | | Allegany | 39 38 56 N | 078 45 53 W |
| Wills Mountain State Park | Park | 244 | Allegany | 39 40 07 N | 078 46 54 W |
| Winchester | Populated Place | 337 | Allegany | 39 37 50 N | 078 50 14 W |
| Winebrenner Run | Stream | | Allegany | 39 37 24 N | 078 56 22 W |
| WKGO-FM (Cumberland) | Tower | 874 | Allegany | 39 34 54 N | 078 53 57 W |
| WLIC-FM (Frostburg) | Tower | 874 | Allegany | 39 34 56 N | 078 53 52 W |
| Wolf Rock | Summit | 834 | Allegany | 39 33 45 N | 078 55 03 W |
| Wolfe Mill | Populated Place | 205 | Allegany | 39 40 24 N | 078 43 29 W |
| Woodland | Populated Place | 539 | Allegany | 39 36 30 N | 078 57 03 W |
| Woodland Creek | Stream | | Allegany | 39 36 27 N | 078 57 19 W |
| Woodland United Methodist Church | Church | 548 | Allegany | 39 36 28 N | 078 57 11 W |
| Wrights Crossing | Populated Place | 569 | Allegany | 39 38 22 N | 078 55 45 W |
| WROG-FM (Cumberland) | Tower | 874 | Allegany | 39 34 56 N | 078 53 52 W |
| WTBO-AM (Cumberland) | Tower | 250 | Allegany | 39 38 43 N | 078 45 04 W |
| WWPN-FM (Westernport) | Tower | 380 | Allegany | 39 29 14 N | 079 03 12 W |
| Yonkers | Populated Place | 381 | Allegany | 39 41 42 N | 078 38 56 W |
| Zihlman | Populated Place | 486 | Allegany | 39 40 05 N | 078 54 54 W |
| Zion Church | Church | 261 | Allegany | 39 41 29 N | 078 43 42 W |
| Zion Park Cemetery | Cemetery | 246 | Allegany | 39 42 28 N | 078 42 46 W |
| Zion United Church of Christ | Church | 613 | Allegany | 39 39 18 N | 078 55 20 W |
| Zion United Church of Christ | Church | 190 | Allegany | 39 39 22 N | 078 46 05 W |
| 18 Reservoir | Reservoir | 36 | Anne Arundel | 39 04 54 N | 076 43 59 W |
| Aberdeen Creek | Bay | -5 | Anne Arundel | 38 56 41 N | 076 31 17 W |
| Abington Farm | Locale | 37 | Anne Arundel | 39 02 38 N | 076 37 60 W |
| Academy Junction | Populated Place | 40 | Anne Arundel | 39 05 22 N | 076 41 54 W |
| Academy Junction Plaza Shopping Center | Locale | 42 | Anne Arundel | 39 05 09 N | 076 41 49 W |
| Acresville | Populated Place | 12 | Anne Arundel | 39 10 40 N | 076 36 41 W |
| Acton Cove | Bay | 0 | Anne Arundel | 38 58 27 N | 076 29 32 W |
| Adams Church | Church | 21 | Anne Arundel | 38 50 42 N | 076 40 39 W |
| Adams Point | Cape | 0 | Anne Arundel | 39 03 18 N | 076 27 10 W |
| Addison Point | Cape | 12 | Anne Arundel | 38 57 31 N | 076 34 23 W |
| Admiral (historical) | Populated Place | 42 | Anne Arundel | 39 05 24 N | 076 44 04 W |
| Admiral Heights | Populated Place | 12 | Anne Arundel | 38 59 05 N | 076 31 07 W |
| Admirals Walk | Populated Place | 11 | Anne Arundel | 39 02 04 N | 076 26 50 W |
| Airport Commons Distribution Center | Locale | | Anne Arundel | 39 10 23 N | 076 41 57 W |
| Airport Square Business Park | Locale | | Anne Arundel | 39 12 00 N | 076 41 15 W |
| Airport Square Technology Park | Locale | 43 | Anne Arundel | 39 12 15 N | 076 40 45 W |
| Alberta Heights | Populated Place | 30 | Anne Arundel | 39 09 05 N | 076 40 04 W |
| Alexander Branch | Stream | | Anne Arundel | 38 54 00 N | 076 32 23 W |
| All Hallows Cemetery | Cemetery | 43 | Anne Arundel | 38 54 38 N | 076 34 51 W |
| All Hallows Chapel | Church | 55 | Anne Arundel | 38 55 14 N | 076 37 59 W |
| All Hallows Church | Church | 43 | Anne Arundel | 38 54 38 N | 076 34 52 W |
| All Hardwoods Branch | Stream | | Anne Arundel | 38 52 00 N | 076 36 19 W |
| All Saints Church | Church | 52 | Anne Arundel | 39 07 17 N | 076 47 40 W |
| Allenville | Populated Place | 12 | Anne Arundel | 39 03 37 N | 076 31 22 W |
| Alloway | Populated Place | 15 | Anne Arundel | 39 08 27 N | 076 28 43 W |
| Allwood | Populated Place | 29 | Anne Arundel | 39 10 48 N | 076 38 52 W |
| Almar Estates | Populated Place | 44 | Anne Arundel | 38 48 43 N | 076 35 59 W |
| Almshouse Creek | Bay | 1 | Anne Arundel | 38 56 32 N | 076 32 35 W |
| Alpine Beach | Locale | 3 | Anne Arundel | 39 08 37 N | 076 27 16 W |
| Altoona Beach | Populated Place | 12 | Anne Arundel | 39 09 33 N | 076 32 25 W |
| Alumni Hall | Building | 2 | Anne Arundel | 38 59 03 N | 076 29 16 W |
| Alumni House | Building | 9 | Anne Arundel | 38 58 53 N | 076 29 22 W |
| Amberfield | Populated Place | 30 | Anne Arundel | 39 01 09 N | 076 41 34 W |
| Amberly | Populated Place | 7 | Anne Arundel | 39 01 00 N | 076 26 29 W |
| Ames Shopping Center | Locale | 21 | Anne Arundel | 38 58 53 N | 076 32 09 W |
| Anchor Baptist Church | Church | 45 | Anne Arundel | 39 06 11 N | 076 36 04 W |
| Anchor Yacht Basin | Harbor | -2 | Anne Arundel | 38 54 07 N | 076 30 34 W |
| Anchorage | Populated Place | 9 | Anne Arundel | 38 56 38 N | 076 28 25 W |
| Andersons Corner | Populated Place | 41 | Anne Arundel | 39 03 25 N | 076 39 19 W |
| Andorick Acres | Populated Place | 53 | Anne Arundel | 39 08 06 N | 076 41 29 W |
| Andover Gardens | Cemetery | 54 | Anne Arundel | 39 11 49 N | 076 40 25 W |
| Andover High School | School | 57 | Anne Arundel | 39 11 45 N | 076 39 42 W |
| Andover Park | Park | 54 | Anne Arundel | 39 11 47 N | 076 39 59 W |
| Andover United Methodist Church | Church | 66 | Anne Arundel | 39 11 59 N | 076 40 55 W |
| Annapolis | Populated Place | 12 | Anne Arundel | 38 58 42 N | 076 29 32 W |
| Annapolis Branch Public Library of Annapolis and Anne Arundel County | Building | 15 | Anne Arundel | 38 58 43 N | 076 30 59 W |
| Annapolis Business Park | Locale | 28 | Anne Arundel | 38 59 35 N | 076 33 01 W |
| Annapolis Business Plaza | Locale | 15 | Anne Arundel | 38 59 15 N | 076 31 45 W |
| Annapolis Cemetery | Cemetery | 29 | Anne Arundel | 38 59 07 N | 076 32 56 W |
| Annapolis City Dock | Locale | | Anne Arundel | 38 58 35 N | 076 29 05 W |
| Annapolis City Hall | Building | | Anne Arundel | 38 58 35 N | 076 29 22 W |
| Annapolis City Hall Annex | Building | | Anne Arundel | 38 58 35 N | 076 29 24 W |
| Annapolis Commerce Park | Locale | 28 | Anne Arundel | 38 59 38 N | 076 32 39 W |
| Annapolis Cove | Populated Place | 4 | Anne Arundel | 38 56 22 N | 076 27 38 W |
| Annapolis Elementary School | School | 5 | Anne Arundel | 38 58 35 N | 076 29 17 W |
| Annapolis Exchange Business Park | Locale | | Anne Arundel | 38 59 11 N | 076 32 20 W |
| Annapolis Fashion Festival Shopping Center | Locale | 27 | Anne Arundel | 38 59 28 N | 076 32 46 W |
| Annapolis Ferry (historical) | Crossing | 0 | Anne Arundel | 38 59 20 N | 076 28 54 W |
| Annapolis Fire Company 35 | Building | | Anne Arundel | 38 58 17 N | 076 31 21 W |
| Annapolis Golf Course | Locale | 13 | Anne Arundel | 38 57 06 N | 076 28 28 W |
| Annapolis Harbor | Harbor | 0 | Anne Arundel | 38 58 33 N | 076 28 54 W |
| Annapolis Harbor Center Shopping Center | Locale | | Anne Arundel | 38 58 30 N | 076 32 39 W |
| Annapolis Heliport | Airport | 32 | Anne Arundel | 38 59 09 N | 076 33 51 W |