Our distances are not driving distances, but are calculated as a 'straight-line' distance that begins in Paint Rock. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Paint Rock) to Point B.
Our distance measurements begin at a specific point in Paint Rock. The point that we are using is located at these GPS coordinates - Latitude: 34.6602, Longitude: -86.3307 [Map]. In this case, the coordinates for Paint Rock have been provided by the Geographic Names Information System (GNIS).