The map above shows Hawaii and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Hawaii vs South Australia Geography
Land area: Hawaii has a land area of 6,423 square miles (16,634 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 59.2 times larger than Hawaii's.
Total area: Hawaii: 10,970 square miles (28,412 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 34.6 times larger than Hawaii's.
Length: Hawaii is 333 miles (536 km) long from north to south; South Australia is 1,078 miles (1,735 km). South Australia's north-south length is 3.2 times (224%) longer than Hawaii's.
Width: Hawaii spans 386 miles (621 km) east to west; South Australia spans 825 miles (1,328 km). South Australia's east-west width is 2.1 times (114%) wider than Hawaii's.
Highest point: Hawaii's highest point is Mauna Kea at 13,795 feet (4,205 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mauna Kea is 9,087 feet higher than Mount Woodroffe.
Lowest point: Hawaii's lowest point is Pacific Ocean at 0 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 49 feet lower.
Hawaii vs South Australia Population and History
Population: Hawaii has a population of 1,446,146 (2024), while South Australia has 1,908,182 (2025). South Australia's population is 1.3 times (32%) larger than Hawaii's.
Population density: Hawaii: 225.2 people per square mile vs South Australia: 5.0. Hawaii's population density is 45.0 times higher than South Australia's.
Largest metro area: Hawaii's largest metropolitan area is Urban Honolulu, HI metro area (998,747 people) vs South Australia's Greater Adelaide (1,491,015). Greater Adelaide's population is 1.5 times (49%) larger than Urban Honolulu, HI metro area's.
History: Hawaii: Admitted to the Union on August 21, 1959, as the 50th state. South Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1836. In its current form, South Australia is the older of the two by 58 years.
Hawaii vs South Australia Economy
GDP: Hawaii's GDP is $117.6 billion (2024) vs South Australia's $100.2 billion. Hawaii's economic output is 1.2 times (17%) larger than South Australia's.
GDP per capita: Hawaii: $81,339 per person vs South Australia: $52,511. Hawaii's GDP per capita is 1.5 times (55%) higher than South Australia's.
Official Websites
Hawaii official website · South Australia official website
More Size Comparisons
All Hawaii size comparisons · All South Australia size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.