Example of using AnnotatedEarth to get Locations near a Location.  See http://www.annotatedearth.com for more details

Latitude: (Example:47.62106 )
Longitude: (Example: -122.35 )
Distance:
 
http://www.annotatedearth.com/AELocationService/Location.asmx/FindNear?userid=15&password=guest&system=nearme_example&latitude=47.62106&longitude=-122.35&feet=528000&groupid=1