Search Google for the "zip code distance formula". I believe you need to have the corresponding latitude and longitude values for the zip(s) though.
Dan Switzer has a database over at www.pengoworks.com that can get you going with the necessary data; grab the formula and have it. Tango From: "John Eubanks" <[EMAIL PROTECTED]> >I have a great question, and could use some help on it. I am trying to > integrate a search function based off of zip code (one of those things > where you enter your zip code and the results near you come back). > However, I am having issues with it, and how the zip code structure > works. Any assistance would be very greatful. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Introducing the Fusion Authority Quarterly Update. 80 pages of hard-hitting, up-to-date ColdFusion information by your peers, delivered to your door four times a year. http://www.fusionauthority.com/quarterly Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:254987 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4

