Our distances are not driving distances, but are calculated as a 'straight-line' distance that begins in Overlook. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Overlook) to Point B.
Our distance measurements begin at a specific point in Overlook. The point that we are using is located at these GPS coordinates - Latitude: 34.8020, Longitude: -85.6800 [Map]. In this case, the coordinates for Overlook have been provided by the Geographic Names Information System (GNIS).