The map above shows Newfoundland and Labrador and South Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Newfoundland and Labrador vs South Australia Geography
Land area: Newfoundland and Labrador has a land area of 144,353 square miles (373,872 km²), while South Australia has 380,048 square miles (984,321 km²). South Australia's land area is 2.6 times (163%) larger than Newfoundland and Labrador's.
Total area: Newfoundland and Labrador: 156,453 square miles (405,212 km²) vs South Australia: 380,048 square miles (984,321 km²), including inland and coastal water. South Australia's total area is 2.4 times (143%) larger than Newfoundland and Labrador's.
Length: Newfoundland and Labrador is 1,045 miles (1,681 km) long from north to south; South Australia is 1,078 miles (1,735 km). Newfoundland and Labrador and South Australia have about the same north-south length.
Width: Newfoundland and Labrador spans 799 miles (1,286 km) east to west; South Australia spans 825 miles (1,328 km). Newfoundland and Labrador and South Australia have about the same east-west width.
Highest point: Newfoundland and Labrador's highest point is Mount Caubvick at 5,420 feet (1,652 m); South Australia's is Mount Woodroffe at 4,708 feet (1,435 m). Mount Caubvick is 712 feet higher than Mount Woodroffe.
Lowest point: Newfoundland and Labrador's lowest point is Atlantic Ocean at 0 feet; South Australia's is Lake Eyre at -49 feet. South Australia's lowest point is 49 feet lower.
Newfoundland and Labrador vs South Australia Population and History
Population: Newfoundland and Labrador has a population of 548,557 (2026), while South Australia has 1,908,182 (2025). South Australia's population is 3.5 times (248%) larger than Newfoundland and Labrador's.
Population density: Newfoundland and Labrador: 3.8 people per square mile vs South Australia: 5.0. South Australia's population density is 1.3 times (32%) higher than Newfoundland and Labrador's.
Largest metro area: Newfoundland and Labrador's largest metropolitan area is St. John's CMA (212,579 people) vs South Australia's Greater Adelaide (1,491,015). Greater Adelaide's population is 7.0 times (601%) larger than St. John's CMA's.
History: Newfoundland and Labrador: Joined Confederation on March 31, 1949, the last province to join. 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 48 years.
Newfoundland and Labrador vs South Australia Economy
GDP: Newfoundland and Labrador's GDP is $30.8 billion (2024) vs South Australia's $100.2 billion. South Australia's economic output is 3.3 times (225%) larger than Newfoundland and Labrador's.
GDP per capita: Newfoundland and Labrador: $56,364 per person vs South Australia: $52,511. Newfoundland and Labrador's GDP per capita is 1.1 times (7%) higher than South Australia's.
Official Websites
Newfoundland and Labrador official website · South Australia official website
More Size Comparisons
All Newfoundland and Labrador 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.