| <1> | Our distances are not driving distances, but are calculated as a 'point-to-point' distance. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Riverwoods) to Point B.Our distance measurements begin at a specific point in Riverwoods. The point we use is located at these GPS coordinates - Latitude: 42.1722, Longitude: -87.8949 In this case, the coordinates for Riverwoods have been provided by the Geographic Names Information System (GNIS). |