<P> O'ahu ( pronounced ( oˈʔɐhu ) , anglicized Oahu / oʊ ˈɑːhuː / ) , known as `` The Gathering Place '' , is the third - largest of the Hawaiian Islands . It is home to roughly one million people -- about two - thirds of the population of the U.S. state of Hawai'i . The state capital , Honolulu , is on O'ahu's southeast coast . Including small associated islands such as Ford Island and the islands in Kāneʻohe Bay and off the eastern ( windward ) coast , its area is 596.7 square miles ( 1,545.4 km ) , making it the 20th - largest island in the United States . </P>
<P> O'ahu ( pronounced ( oˈʔɐhu ) , anglicized Oahu / oʊ ˈɑːhuː / ) , known as `` The Gathering Place '' , is the third - largest of the Hawaiian Islands . It is home to roughly one million people -- about two - thirds of the population of the U.S. state of Hawai'i . The state capital , Honolulu , is on O'ahu's southeast coast . Including small associated islands such as Ford Island and the islands in Kāneʻohe Bay and off the eastern ( windward ) coast , its area is 596.7 square miles ( 1,545.4 km ) , making it the 20th - largest island in the United States . </P>
how big is the island of oahu hawaii
how big is the island of oahu hawaii
596.7 square miles ( 1,545.4 km )
596.7 square miles ( 1,545.4 km )