Our distances are not driving distances, but are calculated as a 'straight-line' (or point-to-point) distance that begins in Iron Creek. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Iron Creek) to Point B.
Our distance measurements begin at a specific point in Iron Creek. The point that we are using is located at these GPS coordinates - Latitude: 64.9644, Longitude: -164.6550 [Map]. In this case, the coordinates for Iron Creek have been provided by the Geographic Names Information System (GNIS).