Posted by Dave \"IT on 06/29/05 18:27

I'm looking to find out how I'd go about setting up a database where a
visitor to my site could punch in their postal code, and find out how far
they are from another postal code. For example, AutoTrader has this feature
I believe to tell you how far the vehicle is from you. Dating sites have
them so you can do proximity searches.

Anyone have any ideas where I could start? I'm thinking the post office,
but if anyone else has suggestions, I'm open to hear them.

Thanks!

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