Seth Miller

I love the maps that Karl at Great Circle Mapper (gcmap.com) makes available. Now I’ve made it easier to embed them in a blog post on WordPress. Added bonus: It automatically includes the links back to Karl’s site per the notes in the FAQ page. Simply install the (very lightweight) plugin and you get a new shortcode to use on your site: [gcmap]. Parameters are available to control the look and feel of the maps as part of the shortcode.
More details available on the <a href="http://blog.wandr.me/plugins/great-circle-mapper/" rel="nofollow ugc">plugin homepage</a>.

Great Circle Mapper

Embed flight route maps from gcmap.com. Automatically includes the links back to gcmap.com and full parameter control in the shortcode.

mediascreen

Travelmap helps you show your travels on a Google map in any post or page. Add places you have visited or plan to visit to show them connected on a world map.
Add arrival dates to automatically show your current position and where you have been so far. Map markers and city names can be linked to a custom url – for example a blog post, wikipedia entry or Flickr album. Geocoding is done automatically based on city and country – but if you need to you can override with your own coordinates.
The maps and lists can be customized using shortcode attributes. There is a full list of available options under the installation tab.
<a href="http://travelingswede.com/my-travel-map/" title="A demo of Travelmap using my travels" rel="nofollow ugc">See Travelmap in use</a> 
<a href="http://travelingswede.com/travelmap/" rel="nofollow ugc">The plugin homepage</a> 
<a href="http://travelmap.uservoice.com" rel="nofollow ugc">Travelmap forum at Uservoice</a>

Travelmap

Generates a map of your travels in any post or page based on a list of places.

Great Circle Mapper vs Travelmap