Genesis 7:20

7:20 The waters rose more than twenty feet above the mountains.

Deuteronomy 3:11

3:11 Only King Og of Bashan was left of the remaining Rephaites. (It is noteworthy that his sarcophagus was made of iron. Does it not, indeed, still remain in Rabbath of the Ammonites? It is thirteen and a half feet long and six feet wide according to standard measure.)