Wikipedia is highly connected. Even pretty darn different things often seem to have only three degrees of separation. For example, here's Ramesses II to Ankylosaurus in three:
I don't know if this is legit. The Lion Express node only connects to a couple of Wikipedia's generic help pages, which I'm pretty sure don't link back to Lion Express.
I found a ton of 5 degree paths and only a couple of 6 degree ones. Then I pulled out the "big guns" (the dead-end pages category). https://en.wikipedia.org/wiki/Category:Dead-end_pages_from_F...