The official website for State of West Virginia: www.wv.gov/
Our distances are not driving distances, but are calculated as a 'point-to-point' distance that begins in Portersville. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Portersville) to Point B.
Our distance measurements begin at a specific point in Portersville. The point that we are using is located at these GPS coordinates - Latitude: 38.3354, Longitude: -82.1304 [Map]. In this case, the coordinates for Portersville have been provided by the Geographic Names Information System (GNIS).