MhrTheme

It will embed your google map into a widget area. You can add a widget in any of your widget areas and It will show your map.

Widget for Google Map

This plugin will be the best widget for google map.

topherjamesknoll

Show your customers how to get to your business with this contact info widget that includes an interactive Google map.
Display the following optional information in a widget
<ul>
<li>Interactive Google map</li>
<li>Customizable title</li>
<li>Business name</li>
<li>Address</li>
<li>Phone number</li>
<li>Email address</li>
</ul>
You can also change certain settings on the map like
<ul>
<li>Size</li>
<li>Zoom</li>
<li>Color</li>
</ul>
Learn more at http://www.kinwebdesign.com

Widget for Google Map vs Kin Direcciones