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- Tattnall) to Point B.Our distance measurements begin at a specific point in Tattnall. The point we use is located at these GPS coordinates - Latitude: 48.6272, Longitude: -107.5429 In this case, the coordinates for Tattnall have been provided by the Geographic Names Information System (GNIS).