Unfortunately, we don't know of an official website for Tristan. If you can help, please contact us through our Feedback Page.
The official website for State of West Virginia: www.wv.gov/
Our distances are not driving distances, but are calculated as a 'straight-line' (or point-to-point) distance that begins in Tristan. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Tristan) to Point B.
Our distance measurements begin at a specific point in Tristan. The point that we are using is located at these GPS coordinates - Latitude: 38.8026, Longitude: -81.2271 [Map]. In this case, the coordinates for Tristan have been provided by the Geographic Names Information System (GNIS).