3 717 796 sq miles
USA - 3,717,811.29 square miles.
The United States is 3,794,000 square miles large, and South America is 6,888,000 square miles large. The US is 55.08% of the size of South America. South America is 1.815 times the size of the US. So ultimately to answer your question, No, the US is not twice as large as South America but is almost half the size (3,444,000 mi2).
9826630 square kilometers (3794083 square miles)
USA - 3,717,811.29 square miles.
Texas is about the size of Central America. It covers an area of approximately 268,596 square miles, while Central America, which includes countries like Guatemala, Honduras, and Nicaragua, has a combined area of about 202,000 square miles. This makes Texas comparable in size to the entire region of Central America.
Rhode Island is the smallest US state and is approximately 1214 square miles in size.
The area of the United States of America is 3.794 million square miles.
3,794,066 Square Miles.
The size of California is 158,693 square miles (412,602 square kilometers)
The area of the US is about 3,794,083 square miles (9,826,630 square kilometers).
United States - 3,794,101 square miles.
936,179 square miles
USA - 3,717,811.29 square miles.