RoadsideThoughts
A Gazetteer for the United States and Canada
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Outdoor Activities ...

As we travel, we like to pursue some of our interests (such as astronomy and bird watching).

When in Blackrock Mill, we use the following websites to find information relevant to Blackrock Mill and the surrounding area.

  • Weather ...
  • Astronomy & Satellites ...
    • Whether using binoculars, a small telescope or the naked-eye, the Heavens-Above website can help you to find your way around the night-time sky. In addition to detailed sky charts, their website will help you find planets, asteriods, comets, satellites and their tracks across the sky.
    • To give accurate results, Heavens-Above requires the latitude and longitude of your location. As a starting point, when we link to Heavens-Above, we pass this GPS location for Blackrock Mill:
    • 39.126774, -77.314151
    • Once you're on the Heavens-Above website, you can improve its accuracy by giving a more precise longitude and latitude as your actual position.
    • The Heavens-Above Website, centered on Blackrock Mill
  • Waymarking ...
    • Looking for somewhere out of the ordinary? Find a unique place and want to share it with others? Then it's time to visit Waymarking.com:
    • Waymark.com

Curious and Interesting Names Near Blackrock Mill ...

As we travel, we always see a community with a name that gives pause. While there are names which are interesting or familiar, some catch our attention or strike our fancy. We always wonder about such a name. If time permits and the community is not too far, we'll usually try to make a side-trip.

  • Ancient Oak
    (2 miles [3.2 km] to the southeast)
    • Note: The GPS coordinates that we are using for Ancient Oak have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Ancient Oak
    • Ancient Oak is located in Montgomery County
  • Dawsonville
    (Less than 2 miles to the west)
    • Note: The GPS coordinates that we are using for Dawsonville have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Dawsonville
    • Dawsonville is located in Montgomery County
  • Harvest Hunt Farm
    (3 miles [4.8 km] to the southeast)
    • Note: The GPS coordinates that we are using for Harvest Hunt Farm have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Harvest Hunt Farm
    • Harvest Hunt Farm is located in Montgomery County
  • Kingsview Knolls
    (2 miles [3.2 km] to the northeast)
    • Note: The GPS coordinates that we are using for Kingsview Knolls have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Kingsview Knolls
    • Kingsview Knolls is located in Montgomery County
  • Lees Corner
    (3 miles [4.8 km] to the northwest)
    • Note: The GPS coordinates that we are using for Lees Corner have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Lees Corner
    • Lees Corner is located in Montgomery County
  • Liberty Heights
    (3 miles [4.8 km] to the northeast)
    • Note: The GPS coordinates that we are using for Liberty Heights have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Liberty Heights
    • Liberty Heights is located in Montgomery County
  • Longdraft
    (3 miles [4.8 km] to the east)
    • Note: The GPS coordinates that we are using for Longdraft have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Longdraft
    • Longdraft is located in Montgomery County
  • Mitchells Range
    (Less than 2 miles to the southeast)
    • Note: The GPS coordinates that we are using for Mitchells Range have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Mitchells Range
    • Mitchells Range is located in Montgomery County
  • Pioneer Hills
    (Less than 2 miles to the southeast)
    • Note: The GPS coordinates that we are using for Pioneer Hills have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Pioneer Hills
    • Pioneer Hills is located in Montgomery County
  • Pleasant Fields
    (2 miles [3.2 km] to the northeast)
    • Note: The GPS coordinates that we are using for Pleasant Fields have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Pleasant Fields
    • Pleasant Fields is located in Montgomery County
  • Potomac Chase
    (3 miles [4.8 km] to the southeast)
    • Note: The GPS coordinates that we are using for Potomac Chase have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Potomac Chase
    • Potomac Chase is located in Montgomery County
  • Quail Run
    (2 miles [3.2 km] to the southeast)
    • Note: The GPS coordinates that we are using for Quail Run have been provided by the GNIS.<1> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Quail Run
    • Quail Run is located in Montgomery County
  • Continue List   (4 more) ...
    • Riverwood
      (3 miles [4.8 km] to the south)
      • Note: The GPS coordinates that we are using for Riverwood have been provided by the GNIS.<1> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Riverwood
      • Riverwood is located in Montgomery County
    • Rushville
      (3 miles [4.8 km] to the south)
      • Note: The GPS coordinates that we are using for Rushville have been provided by the GNIS.<1> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Rushville
      • Rushville is located in Montgomery County
    • Spring Meadows
      (Less than 2 miles to the south)
      • Note: The GPS coordinates that we are using for Spring Meadows have been provided by the GNIS.<1> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Spring Meadows
      • Spring Meadows is located in Montgomery County
    • Willow Ridge
      (2 miles [3.2 km] to the east)
      • Note: The GPS coordinates that we are using for Willow Ridge have been provided by the GNIS.<1> The coordinates still need to be verified.
      • Jump to our Gazetteer entry for Willow Ridge
      • Willow Ridge is located in Montgomery County

How Far From Blackrock Mill to ...

We spend a lot of time looking through Gazetteers that were published in the late 1800's and early 1900's. Many of the Gazetteers include the distance from a community such as Blackrock Mill to various places of note, such as the White House.

With a nod to our favorite Gazetteers, the straight-line distance<2> beginning in Blackrock Mill and extending to:

  • Rockville, which is the Seat of Montgomery County, lies 9 miles [14.5 km]<2> to the east southeast. If you could walk a straight line from Blackrock Mill to Rockville, with an average speed<3> of 2.2 miles [3.5 km] per hour, it would take four to five hours to make the trip. A horse and buggy averaging 3.2 miles [5.1 km] per hour would take a little over three hours.
  • Annapolis, which is the State Capital of Maryland, lies 45 miles [72.4 km] to the east southeast (ESE). Driving, with an average speed of 63 miles [101.4 km] per hour, would take less than an hour, a buggy would take most of two days and walking would take about three full days.
  • The White House (Washington, DC) is 21 miles [33.8 km] to the southeast (SE). The buggy would take most of a day and walking would take just over a day.
  • The shortest distance<4> to Jerusalem (specifically the Temple Mount and the Dome of the Rock) is 5,899 miles [9,493.5 km] and it lies to the northeast (NE).<5>
  • The distance to the Great Mosque of Mecca (specifically the Ka'bah - or Kaaba ) is 6,606 miles [10,631.3 km] and it lies to the east northeast (ENE).<6>
  • The distance to Saint Peter's Basilica (The Vatican) is 4,483 miles [7,214.7 km] and it lies to the northeast (NE).<7>

Unfortunately, we don't know of a website for Blackrock Mill. If you can help, please contact us through our Feedback Page.

The official website for Montgomery County: www.montgomerycountymd.gov/

The official website for State of Maryland: www.maryland.gov/

Footnotes ...

<1>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<2>Our distances are not driving distances, but are calculated as a 'straight-line' (or point-to-point) distance. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Blackrock Mill) to Point B.Our distance measurements begin at a specific point in Blackrock Mill. The point we use is located at these GPS coordinates - Latitude: 39.1268, Longitude: -77.3142       In this case, the coordinates for Blackrock Mill have been provided by the Geographic Names Information System (GNIS).
<3>While we have tried to pick reasonable speeds, the rate of travel is very theoretical - obstacles like fences, hills, lakes, river crossings and rest stops have been ignored. When we say 'Days' of travel, we're assuming 8 hours of travel per day.
<4>The shortest line can be visualized by stretching a string on a Globe from Point A to Point B - this is known as a Great Circle Route. Where you might expect the shortest route from Blackrock Mill to the Middle East to be East and South, the Great Circle Route actually lies to the North and East.
<5>The calculated bearing (or angle) to Jerusalem is 308.039 degrees.
<6>The calculated bearing (or angle) to Mecca is 303.644 degrees.
<7>The calculated bearing (or angle) to the Vatican is 304.743 degrees.









 

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In closing, please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.

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This page was last modified/updated: 07 Apr 2024