Joomla Radius Search Component

I need a Joomla component which will perform a radius search using Google API and or [login to view URL] with location data specified by the user. The module / component will be a search box on a site where the user will input a location (zip code / post code) and the system will use data of entries inside the Zoo database, need to display the closest results. Please only reply if you know what you will be doing . Technologies used: Joomla 3 and Zoo framework by Yootheme