Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Forest Park | Populated Place | 341 | Washington | 39 42 10 N | 078 17 58 W |
| Hancock Ambulance and Rescue Squad Company 59 | Building | | Washington | 40 10 20 N | 078 17 48 W |
| Lock 55 | Dam | 132 | Washington | 39 37 33 N | 078 17 38 W |
| Long Hollow | Valley | | Washington | 39 37 33 N | 078 17 37 W |
| Long Ridge | Ridge | 250 | Washington | 39 39 12 N | 078 17 31 W |
| Lock 54 | Dam | 133 | Washington | 39 37 29 N | 078 17 29 W |
| Exline | Populated Place | 269 | Washington | 39 40 16 N | 078 16 52 W |
| Volunteer Fire Company of Halfway, Maryland | Building | | Washington | 40 02 38 N | 078 16 42 W |
| Mann | Populated Place | 293 | Washington | 39 41 52 N | 078 16 41 W |
| Harvey | Populated Place | 285 | Washington | 39 42 11 N | 078 16 40 W |
| Washington County Emergency Air Unit Company 25 | Building | | Washington | 40 02 50 N | 078 16 38 W |
| Long Ridge Church | Church | 258 | Washington | 39 40 20 N | 078 16 33 W |
| Tonoloway Club | Locale | 203 | Washington | 39 39 23 N | 078 16 25 W |
| Washington County Sheriffs Office | Building | | Washington | 40 04 28 N | 078 16 23 W |
| Mount Olivet Cemetery | Cemetery | 204 | Washington | 39 41 56 N | 078 15 56 W |
| Mount Olivet Presbyterian Church | Church | 202 | Washington | 39 41 55 N | 078 15 56 W |
| Tonoloway Ridge | Ridge | 325 | Washington | 39 39 36 N | 078 15 53 W |
| Cohill | Populated Place | 140 | Washington | 39 38 47 N | 078 15 14 W |
| Saint Pauls Church | Church | 258 | Washington | 39 43 03 N | 078 15 09 W |
| Saint Pauls Cemetery | Cemetery | 258 | Washington | 39 43 03 N | 078 15 08 W |
| Sharpsburg Volunteer Fire Company 1 | Building | | Washington | 39 46 31 N | 078 15 03 W |
| Maugansville Goodwill Volunteer Fire Company 13 | Building | | Washington | 40 09 21 N | 078 14 52 W |
| Lock 53 | Dam | 128 | Washington | 39 39 03 N | 078 14 31 W |
| District 5 (Hancock) Election District | Civil | 208 | Washington | 39 41 10 N | 078 14 22 W |
| Black Oak Ridge | Ridge | 280 | Washington | 39 45 06 N | 078 14 14 W |
| Round Top State Natural Heritage Park | Park | 328 | Washington | 39 40 25 N | 078 14 14 W |
| Roundtop Hill | Summit | 421 | Washington | 39 40 40 N | 078 14 04 W |
| Munson Spring Branch | Stream | | Washington | 39 42 28 N | 078 14 01 W |
| Minnow Run | Stream | 140 | Washington | 39 42 45 N | 078 13 47 W |
| Minnow Run | Stream | | Washington | 39 42 46 N | 078 13 43 W |
| Potomac Valley Fire Company 11 | Building | | Washington | 39 37 46 N | 078 13 32 W |
| Hagerstown Police Department | Building | | Washington | 40 04 59 N | 078 13 04 W |
| Loner Siding | Locale | 140 | Washington | 39 40 48 N | 078 12 39 W |
| City of Hagerstown Fire Department | Building | | Washington | 40 04 53 N | 078 12 33 W |
| Cohill Estates | Populated Place | 200 | Washington | 39 42 00 N | 078 12 29 W |
| Washington Company Fire and Emergency Services | Building | | Washington | 40 04 27 N | 078 12 17 W |
| Fort Tonoloy State Park | Park | 157 | Washington | 39 41 45 N | 078 11 59 W |
| Kirk Woods | Populated Place | 130 | Washington | 39 42 30 N | 078 11 58 W |
| Hancock High School | School | 176 | Washington | 39 41 48 N | 078 11 50 W |
| Hancock Elementary School | School | 175 | Washington | 39 41 54 N | 078 11 49 W |
| Hancock Middle School | School | 175 | Washington | 39 41 49 N | 078 11 47 W |
| Blue Hill | Populated Place | 162 | Washington | 39 41 53 N | 078 11 37 W |
| Church of the Nazarene | Church | 157 | Washington | 39 41 52 N | 078 11 33 W |
| Myersdale | Populated Place | 145 | Washington | 39 42 12 N | 078 11 27 W |
| Widmyer Park | Park | 117 | Washington | 39 42 07 N | 078 11 24 W |
| Interchange 1 | Crossing | 152 | Washington | 39 42 50 N | 078 11 19 W |
| Little Tonoloway Picnic Area | Locale | 126 | Washington | 39 41 44 N | 078 11 14 W |
| Funkstown Volunteer Fire Company 10 | Building | | Washington | 40 01 02 N | 078 11 06 W |
| Interchange 2 | Crossing | 170 | Washington | 39 42 27 N | 078 11 01 W |
| Hancock United Methodist Church | Church | 132 | Washington | 39 41 59 N | 078 10 59 W |
| Hancock War Memorial Library | Building | 128 | Washington | 39 41 57 N | 078 10 56 W |
| Little Tonoloway Creek | Stream | | Washington | 39 41 50 N | 078 10 55 W |
| Hancock Church of God | Church | 131 | Washington | 39 41 58 N | 078 10 54 W |
| Little Tonoloway Campground | Locale | 127 | Washington | 39 41 52 N | 078 10 54 W |
| Full Gospel Assembly of God Church | Church | 145 | Washington | 39 42 10 N | 078 10 52 W |
| Hancock Town Hall | Building | 134 | Washington | 39 42 03 N | 078 10 52 W |
| Hancock Post Office | Post Office | 141 | Washington | 39 42 12 N | 078 10 51 W |
| Hancock | Populated Place | 135 | Washington | 39 41 56 N | 078 10 47 W |
| Saint Thomas Graveyard | Cemetery | 153 | Washington | 39 42 01 N | 078 10 41 W |
| Fairview | Populated Place | 164 | Washington | 39 42 13 N | 078 10 40 W |
| Saint Thomas Episcopal Church | Church | 151 | Washington | 39 42 00 N | 078 10 39 W |
| Grace Presbyterian Church | Church | 136 | Washington | 39 41 55 N | 078 10 37 W |
| Longmeadow Volunteer Fire Company 27 | Building | | Washington | 40 08 39 N | 078 10 37 W |
| Saint Peters Catholic Church | Church | 157 | Washington | 39 42 00 N | 078 10 36 W |
| Saint Peters Cemetery | Cemetery | 160 | Washington | 39 42 01 N | 078 10 36 W |
| Cove Ridge | Ridge | 233 | Washington | 39 43 43 N | 078 10 22 W |
| Trinity Full Gospel Church | Church | 180 | Washington | 39 41 59 N | 078 10 10 W |
| Riverview Cemetery | Cemetery | 165 | Washington | 39 41 53 N | 078 09 45 W |
| Lock 52 | Dam | 119 | Washington | 39 41 38 N | 078 09 23 W |
| Tonoloway Creek Aqueduct | Bridge | 119 | Washington | 39 41 38 N | 078 09 23 W |
| Tonoloway Creek | Stream | | Washington | 39 41 37 N | 078 09 22 W |
| Tonoloway Creek | Stream | | Washington | 39 41 38 N | 078 09 18 W |
| Hancock Sewage Lagoon | Reservoir | 130 | Washington | 39 42 18 N | 078 09 17 W |
| Hancock Sewage Lagoon Dam | Dam | 130 | Washington | 39 42 18 N | 078 09 17 W |
| Interchange 3 | Crossing | 145 | Washington | 39 41 45 N | 078 08 59 W |
| Stanley | Populated Place | 165 | Washington | 39 41 48 N | 078 08 59 W |
| Lock 51 | Dam | 122 | Washington | 39 41 35 N | 078 08 55 W |
| Timber Ridge | Ridge | 237 | Washington | 39 43 27 N | 078 08 06 W |
| Ditch Run | Stream | | Washington | 39 41 20 N | 078 08 00 W |
| Interchange 5 | Crossing | 144 | Washington | 39 41 27 N | 078 07 49 W |
| Timber Ridge Heights | Populated Place | 221 | Washington | 39 42 37 N | 078 07 32 W |
| Marvania Heights | Populated Place | 239 | Washington | 39 43 15 N | 078 07 00 W |
| Golden Fleece Estates | Populated Place | 201 | Washington | 39 41 49 N | 078 06 44 W |
| Little Pool Campground | Locale | 122 | Washington | 39 41 04 N | 078 06 41 W |
| Boonsboro Ambulance and Rescue, Company 69 | Building | | Washington | 39 52 41 N | 078 06 25 W |
| Little Pool | Reservoir | 122 | Washington | 39 41 01 N | 078 06 14 W |
| Boonsboro Volunteer Fire Department Substation Company 8 | Building | | Washington | 39 41 24 N | 078 06 09 W |
| Millstone | Locale | 129 | Washington | 39 40 41 N | 078 05 31 W |
| First Hose Company of Boonsboro Company 6 | Building | | Washington | 39 51 07 N | 078 05 09 W |
| Orchard Ridge Cemetery | Cemetery | 212 | Washington | 39 41 09 N | 078 05 02 W |
| Orchard Ridge Methodist Church | Church | 212 | Washington | 39 41 08 N | 078 05 02 W |
| Elbow Ridge | Ridge | 281 | Washington | 39 42 43 N | 078 04 30 W |
| Orchard Ridge | Ridge | 223 | Washington | 39 42 07 N | 078 03 50 W |
| Park Head | Populated Place | 132 | Washington | 39 39 47 N | 078 03 45 W |
| Brunswick Fire Company Number 5 | Building | | Frederick | 39 31 33 N | 078 03 38 W |
| Brunswick Volunteer Ambulance Company Number 19 | Building | | Frederick | 39 31 34 N | 078 03 36 W |
| Stone Bridge Church | Church | 148 | Washington | 39 43 18 N | 078 03 33 W |
| Stone Bridge Cemetery | Cemetery | 152 | Washington | 39 43 17 N | 078 03 32 W |
| Interchange 9 | Crossing | 131 | Washington | 39 39 19 N | 078 03 04 W |
| Licking Creek | Stream | 109 | Washington | 39 39 01 N | 078 03 04 W |
| Brunswick Town of Police Department | Building | | Frederick | 39 31 32 N | 078 03 03 W |
| Licking Creek | Stream | | Washington | 39 39 02 N | 078 02 59 W |
| Licking Creek Aqueduct | Bridge | 114 | Washington | 39 39 04 N | 078 02 55 W |
| Parkhead Station (historical) | Locale | 128 | Washington | 39 39 11 N | 078 02 55 W |
| Park Head Cemetery | Cemetery | 135 | Washington | 39 39 16 N | 078 02 51 W |
| Parkhead United Methodist Church | Church | 134 | Washington | 39 39 16 N | 078 02 50 W |
| Little Cove Creek | Stream | | Washington | 39 43 17 N | 078 02 41 W |
| Pecktonville | Populated Place | 125 | Washington | 39 40 11 N | 078 02 39 W |
| Camp Harding | Locale | 127 | Washington | 39 40 15 N | 078 02 33 W |
| Lanes Run | Stream | | Washington | 39 39 37 N | 078 02 23 W |