How large is Boeing Everett Factory?

The Boeing Everett Factory, located in Everett, Washington, is the largest building in the world by volume, covering approximately 98.3 acres (or about 4.3 million square feet). It houses the assembly lines for several Boeing aircraft, including the 747, 767, 777, and 787 models. The factory's immense size allows for the production of large aircraft components under one roof, facilitating efficient assembly processes.