Our distances are not driving distances, but are calculated as a 'straight-line' distance. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Blackpipe) to Point B.Our distance measurements begin at a specific point in Blackpipe. The point we use is located at these GPS coordinates - Latitude: 43.3439, Longitude: -101.2746 In this case, the coordinates for Blackpipe have been provided by the Geographic Names Information System (GNIS).