Paul Tournemaine

This plugin allows you to :
<ul>
<li>Add a location on the map for the post you want to be shown by clicking on the google map on the post edit page</li>
<li>Add the shortcode [googleMappedPosts] on the page in which you want to display your located posts.</li>
</ul>
Here is a list of parameters for the shortcode:
<ul>
<li>height : give the size in pixel (default 500)</li>
<li>nb_post : number of posts shown (default -1 to show all posts)</li>
<li>category : the category name from which you want posts to be displayed (default empty for all category)</li>
<li>desc : show post in a desc order ( older to newer ), set it to false to change the order (default true)</li>
<li>zoom : the google map initial zoom when the page containing the shortcode is loaded (default 10)</li>
</ul>
All parameters are optional

GMappedLocatedPost

This is a WordPress plugin which allows you to localize your posts.

themifyme

The Themify Store Locator plugin allows you to display an unlimited number of locations on a map, list, or grid view. Each store location can insert its own custom description, address, contact phone numbers, and business hours. All this information pops up on the map when users click on a map marker.
<h4>Key Features:</h4>
<ul>
<li>Unlimited Locations – Add unlimited locations with custom description, address, contact phone number, and business hours</li>
<li>Store List Layouts – Display all locations in fullwidth, 4-column, 3-column, or 2-column layout</li>
<li>Store Map – Display all locations on a Google map with a map tooltip that displays the location info</li>
<li>Shortcode Generator – helps to generate location shortcodes without typing it manually</li>
</ul>

Themify Store Locator

A free plugin to add store locations and stores map in your WordPress site.

GMappedLocatedPost vs Themify Store Locator