Our distances are not driving distances, but are calculated as a 'straight-line' (or point-to-point) distance that stretches from Hobart Bay. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Hobart Bay) to Point B.
Our distance measurements begin at a specific point in Hobart Bay. The point that we are using is located at these GPS coordinates - Latitude: 57.4658, Longitude: -133.3533 [Map]. In this case, the coordinates for Hobart Bay have been provided by the Geographic Names Information System (GNIS).