Our distances are not driving distances, but are calculated as a 'straight-line' distance that starts in Romulus. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Romulus) to Point B.
Our distance measurements begin at a specific point in Romulus. The point that we are using is located at these GPS coordinates - Latitude: 33.1476, Longitude: -87.7520 [Map]. In this case, the coordinates for Romulus have been provided by the Geographic Names Information System (GNIS).