Our distances are not driving distances, but are calculated as a 'straight-line' distance that stretches from Davis Landing. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Davis Landing) to Point B.
Our distance measurements begin at a specific point in Davis Landing. The point that we are using is located at these GPS coordinates - Latitude: 31.2399, Longitude: -87.8453 [Map]. In this case, the coordinates for Davis Landing have been provided by the Geographic Names Information System (GNIS).