The area of Bulusan Volcano National Park is 3,673,000.0 square meters.
The area of Turrialba Volcano National Park is 15.783 square kilometers.
The area of Arenal Volcano National Park is 121.24 square kilometers.
The area of Poás Volcano National Park is 65 square kilometers.
The area of Hallasan National Park is 153.11 square kilometers.
The area of Karoo National Park is 767.86 square kilometers.
The area of Torndirrup National Park is 39.36 square kilometers.
The area of Alfred National Park is 30.5 square kilometers.
The area of Djurö National Park is 24 square kilometers.
The area of Björnlandet National Park is 11 square kilometers.
The area of Sundown National Park is 160 square kilometers.
The area of Greenmount National Park is 2,020,000.0 square meters.
The area of Aouk National Park is 7,400 square kilometers.