Mauna Kea 13,796 ft. above sea level.
The tallest mountain in the world if measured from its base on the sea floor to its peak.
About 3,280 feet higher then Mount Everest at 29,028 feet. Statute mile is 5,280'. Meter is 3.281'
The Challenger Deep, near Mariana Islands, is the deepest known point in the oceans at 35,838 feet.
