Our distances are not driving distances, but are calculated as a 'point-to-point' distance from Butler. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Butler) to Point B.
Our distance measurements begin at a specific point in Butler. The point that we are using is located at these GPS coordinates - Latitude: 32.0952, Longitude: -88.2139 [Map]. In this case, the coordinates for Butler have been provided by the Geographic Names Information System (GNIS).