Our distances are not driving distances, but are calculated as a 'straight-line' distance starting from Folger. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Folger) to Point B.
Our distance measurements begin at a specific point in Folger. The point that we are using is located at these GPS coordinates - Latitude: 63.5617, Longitude: -156.0833 [Map]. In this case, the coordinates for Folger have been provided by the Geographic Names Information System (GNIS).