The map above shows California and Antarctica side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
California vs Antarctica Geography
Land area: California has a land area of 155,859 square miles (403,673 km²), while Antarctica has 5,482,651 square miles (14,200,000 km²). Antarctica's land area is 35.2 times larger than California's.
Highest point: California's highest point is Mount Whitney at 14,484 feet (4,415 m); Antarctica's is Vinson Massif at 16,050 feet (4,892 m). Vinson Massif is 1,566 feet higher than Mount Whitney.
Lowest point: California's lowest point is Death Valley at -279 feet; Antarctica's is Denman Glacier trough (under ice) at -11,483 feet. Antarctica's lowest point is 11,204 feet lower.
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More Size Comparisons
All California size comparisons · All Antarctica 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.