URLsnipper for Google alpha!
http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=York&sll=54.521081,-3.603516&sspn=4.873065,8.448486&ie=UTF8&z=7New Url: Length is 58 giving a saving of 53%
... go again...
Enter a Google Search/Maps URL to shorten it...
No guarantees, Google could easily change something (intentionally or otherwise) to break this.
Has fairly advanced support for Google Maps, and basic support for Web and Image Searches - more to follow.
One thing to note, this function is optimised for cleaning up a link generated by the 'Link' function on Google Maps. (not the 'Map' link that is shown on a Google Search page)