http://www.mredesign.com/demos/googlemap-connector/

Enter any address and see it on a googlemap.

This demo was up in another form for quite some time... I was putting a googlemap in a current project and decided to give this a proper place in the demos list.

If you use maps on your pages, you should surely take a look at John Blayter's versatile and well-documented cf_googleMap.cfc