Our distances are not driving distances, but are calculated as a 'straight-line' distance. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Tunbridge) to Point B.Our distance measurements begin at a specific point in Tunbridge. The point we use is located at these GPS coordinates - Latitude: 36.2848, Longitude: -82.3693 In this case, the coordinates for Tunbridge have been provided by the Geographic Names Information System (GNIS).