Our distances are not driving distances, but are calculated as a 'straight-line' distance starting from Hallersville. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Hallersville) to Point B.
Our distance measurements begin at a specific point in Hallersville. The point that we are using is located at these GPS coordinates - Latitude: 59.0428, Longitude: -156.8394 [Map]. In this case, the coordinates for Hallersville have been provided by the Geographic Names Information System (GNIS).