The map above shows US Virgin Islands and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
US Virgin Islands vs South Australia Geography
Land area: US Virgin Islands has a land area of 134 square miles (346 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 2,844.9 times larger than US Virgin Islands'.
Total area: US Virgin Islands: 737 square miles (1,910 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 515.4 times larger than US Virgin Islands'.
Length: US Virgin Islands is 47 miles (76 km) long from north to south; South Australia is 1,078 miles (1,735 km). South Australia's north-south length is 22.9 times longer than US Virgin Islands'.
Width: US Virgin Islands spans 52 miles (83 km) east to west; South Australia spans 825 miles (1,328 km). South Australia's east-west width is 15.9 times wider than US Virgin Islands'.
Highest point: US Virgin Islands's highest point is Crown Mountain at 1,555 feet (474 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mount Woodroffe is 3,153 feet higher than Crown Mountain.
Lowest point: US Virgin Islands's lowest point is Caribbean Sea at 0 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 49 feet lower.
US Virgin Islands vs South Australia Population and History
Population: US Virgin Islands has a population of 87,146 (2020), while South Australia has 1,908,182 (2025). South Australia's population is 21.9 times larger than US Virgin Islands'.
Population density: US Virgin Islands: 650.3 people per square mile vs South Australia: 5.0. US Virgin Islands' population density is 130.1 times higher than South Australia's.
History: US Virgin Islands: A US territory since 1917, purchased from Denmark. 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 16 years.
Official Websites
US Virgin Islands official website · South Australia official website
More Size Comparisons
All US Virgin Islands 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.