The world's largest desert is the Antarctic Desert with an area of 5,600,000 square miles.
The largest desert in the world is much larger than 3 million square miles. Antarctica is the largest desert at 5,400,000 square miles.
Gobi
The largest (non-polar) desert in the world is the Sahara, in north Africa, which has an area of about 3.63 million square miles.
Antarctica - 5,400,000 square miles Sahara Desert - 3,320,000+ square miles Arabian Desert - 900,000 square miles Gobi Desert - 500,000 square miles Kalahari Desert - 360,000 square miles Patagonian Desert - 260,000 square miles
The Antarctic Desert is 14,000,000 square kilometers or 5,400,000 square miles in area. It is the largest desert on earth.The Antarctic Desert is 14,000,000 square kilometers or 5,400,000 square miles in area. It is the largest desert on earth.
Australia's land area is approximately 2.97 million square miles.
Canada - 4 million square miles (rounded to nearest million). Actual area is 3,851,807.61 square miles.
The Syrian Desert is 520,000 square kilometers or 200,000 square miles in area.
The Sahara desert is 3.6 million square miles in kilometers. The Sahara desert is also known as The Great Desert.
The Kalahari Desert has an area of about 900000 km², or 362500 square miles.Kalihari desert is 900,000 sq/km or 350,000 sq/miles big, located in Southern Africa.
The world's largest hot desert is the Sahara in Northern Africa. It covers an area of about 9.1 million square kilometres, or 3.5 million square miles. It is not the world's largest desert, however. See the related question.