NASA space shuttle landing facility (Titusville, X68 ) has a 15,028 ft (I think it's 28 ) runway in 2k4. I should know, I practice emergency takeoff and landing procedures there

And ya, a good example would be JFKs monster 14000' runway. 10000' is about average for a runway at a major airport (actually 9000' is, but whos lookin

)