Reverse Geocoding to get an address from Lat Long coordinates

Posted on 2009-05-13
Last Modified: 2012-05-06

 I am putting a simple tracking system together with google maps but am trying to figure out how to get an address from a set of Lat / Long coordinates - Ideally I want something that I can include as part of a script and takes the results and display them within my javascript/asp pages.
I've had a lookat places like goecode, but am not getting anywhere


Question by:sebadlington
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LVL 11

Expert Comment

ID: 24390110
How is that going to work for apartment buildings, multi-story structures, basement buildings, etc.?  And, unless you're going several decimals points in, you're not going to be at an accurate enough point in the positioning to get an address, particularly with the inherent inaccuracy of consumer level GPS.

Author Comment

ID: 24393375
It doesn't really need to be that precise - I need to get the street / area to display on a report, so that we can get an overview of where someone has been - If i need to drill down to a precise location, I can use the lat/long to show them on the map - not sure what level the units are at that we've got but this is the kind of precision I get back Lat: 53.064693   Long: -1.459265
LVL 11

Accepted Solution

knoxzoo earned 500 total points
ID: 24393939
At 69 miles per degree, or 364320 feet (approx. - the planet's not perfectly round), getting back six points gets you into a fairly precise point of location, even with the minimum one yard margin of error in consumer grade units.  Which, still qualifies as precise enough for your purposes.  

Go to and look at the right hand box.  That seems to be what you're looking for.  If you dig into the page's code, you should be able to tap this free resource to get the output you're looking for.
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Author Comment

ID: 24410294
Perfect - thankyou very much ;)

Author Closing Comment

ID: 31581029
Thanks for your help
LVL 11

Expert Comment

ID: 24414152
You're welcome.  Let me know how it turns out.  

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