The map above shows United States and Oceania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Oceania Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Oceania has 3,291,907 square miles (8,526,000 km²). United States' land area is 1.1 times (7%) larger than Oceania's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Oceania is 5,142 miles (8,275 km). Oceania's north-south length is 1.4 times (42%) longer than United States'.
Width: United States spans 4,824 miles (7,763 km) east to west; Oceania spans 7,086 miles (11,404 km). Oceania's east-west width is 1.5 times (47%) wider than United States'.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Oceania's is Puncak Jaya at 16,024 feet (4,884 m). Denali is 4,284 feet higher than Puncak Jaya.
Lowest point: United States's lowest point is Death Valley at -279 feet; Oceania's is Lake Eyre at -49 feet. United States's lowest point is 230 feet lower.
United States vs Oceania Population and History
Population: United States has a population of 340,110,988 (2024), while Oceania has 46,000,000 (2025 UN estimate). United States' population is 7.4 times (639%) larger than Oceania's.
Population density: United States: 96.3 people per square mile vs Oceania: 14.0. United States' population density is 6.9 times (588%) higher than Oceania's.
Official Websites
United States official website
More Size Comparisons
All United States size comparisons · All Oceania 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.