I have a tendency to read news from a variety of sources, some off the usual beaten path, and ran across this article on Al Jazeera's news page.
Two fellas decide to make the Hajj on bikes:
http://english.aljazeera.net/indepth...257862785.html
According to what I found on the web, straight line distance is over 4,000 miles. Talk about a pilgrimage to remember for a lifetime!