Malcolm

An interactive map can be added to your website by adding a single shortcode. The location the map can be specified either by shortcode attribute or URL parameters. Other (optional) values can be added to specify the scale of the map, screen size in pixels, and the map type.
Features Summary
<ul>
<li>Provides a WP wrapper for the Microsoft Bing Maps AJAX Control</li>
<li>Adds an interactive map to your WordPress Post or Page</li>
<li>Location specified in shortcode attribute</li>
<li>Image size can be specified by optional shortcode attribute</li>
<li>Map scale can be specified by optional shortcode attribute</li>
<li>Displays Ordnance Survey Mapping (GB locale only)</li>
<li>Shortcode Attributes can be replaced by URL Parameters</li>
<li>Requires a Microsoft Account and Bing Maps Key</li>
</ul>

MapView for Bing Maps

The MapView for Bing Maps plugin adds an interactive map(s) to your Wordpress Page or Post, using the Bing Maps AJAX Control.

mschwar

Google Maps made Simple by WP-G-Mappity
WPGMappity allows you to easily insert Google Maps into your posts. No XML or JavaScript needed, building a Google Map is done completely in a WYSIWYG form inside your blog.
Versions 0.5 and above use version 3 of the Google Maps API. For you this means:
<ul>
<li>No API key needed</li>
<li>New features</li>
<li>Fast downloads: visitors to your blog only download one extra file from Google – nothing from you.</li>
</ul>
Features include:
<ul>
<li>Markers and custom icons</li>
<li>Routing</li>
<li>Map Controls</li>
<li>Completely customizable size and alignment</li>
</ul>
Project Home, full instructions, and help: <a href="http://matthewschwartz.me/wordpress/wpgmappity/" rel="nofollow ugc">http://matthewschwartz.me/wordpress/wpgmappity/</a>

Google Maps made Simple

Point, Click, Map. Build and insert Google Maps just as easily as you insert images.  All WYSIWYG: no JavaScript, no XML, no coding at all.

MapView for Bing Maps vs Google Maps made Simple