Store Locator - Google Maps Extension
Extension Features :
Flexible and intuitive searching by variety of parameters such as Your Address, State/Province, Zip/Postal Code, City, Country..
Custom Map Location Icons. Use the default location mark or create custom Google map icons to mark locations.
Add customized markers for each store.
Easy uploading/removing images for each store.
Compatibility: 1.4.x, 1.5.x, 1.6.x, 1.7.x, 1.8.x
Configurable from admin area for all functions
Easy to install, easy to upgrade, just copy to use
Open source 100%
Please go to visit extension : http://www.magentocommerce.com/magento-connect/store-locator-google-maps-extension.html