Our distances are not driving distances, but are calculated as a 'straight-line' distance starting from Burtons Ferry. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Burtons Ferry) to Point B.
Our distance measurements begin at a specific point in Burtons Ferry. The point that we are using is located at these GPS coordinates - Latitude: 33.8001, Longitude: -87.0956 [Map]. In this case, the coordinates for Burtons Ferry have been provided by the Geographic Names Information System (GNIS).