Our distances are not driving distances, but are calculated as a 'straight-line' distance from Mount Hillard. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Mount Hillard) to Point B.
Our distance measurements begin at a specific point in Mount Hillard. The point that we are using is located at these GPS coordinates - Latitude: 32.0602, Longitude: -85.8680 [Map]. In this case, the coordinates for Mount Hillard have been provided by the Geographic Names Information System (GNIS).