[TexasGator]

That is not takeoff distance. That is required runway length which includes margin of safety and braking after aborted takeoff..

They can takeoff in much shorter distances.

http://www.flightglobal.com/news/articles/ba-passengers-tried-to-halt-777-take-off-after-taxiing-346898/

[editor-surveyor]

And that was a plane with a standard passenger load.

That’s as bad as taking off from John Wayne!

[B212]

for sure an aircraft such as the 747/777, can takeoff in less, if one elects to ignore the safety margins....