Our distances are not driving distances, but are calculated as a 'straight-line' distance starting from East Trussville. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- East Trussville) to Point B.
Our distance measurements begin at a specific point in East Trussville. The point that we are using is located at these GPS coordinates - Latitude: 33.6345, Longitude: -86.5764 [Map]. In this case, the coordinates for East Trussville have been provided by the Geographic Names Information System (GNIS).