Jan Theodore Galkowski wrote:

> At 11:45 PM 05/14/2000 -0400, Susan Duncan wrote:
> >I have an application whereby I need to calculate the distance
> >between two points using zip/postal codes.  Other sites out there
> >do it, so there must be a way of handling this short of typing in
> >a slew of codes and taking measurements.
> 
> Well, once ZIP or Postal codes are translated to geographic 
> coordinates, the calculation is straightforward as long as one
> is satisfied with results from a spherical model of Earth. 

and on and on - - - 

Good Lord !!!!!!
Okay, with the above calculation in mind, what's the distance between my house in zip 
code xxxxx and the City Hall in the zip code next to mine  ?????
If you are going to use latitude and longitude as in GPS, then zip codes have nothing to 
do with it.
Capt. Ron
http://www.novagroup.org

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