United States total area: 3,537,441 square miles.
South America is 6,890,000 square miles
The United States covers approximately 3,805,927 square miles.
8,234,599mi2.
About 9,361,800 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).
There are 13,091,981 square miles in Latin America.
91,136 Square miles.
It is 35,385 square miles.
356,667 square miles.
246,201 square miles
USA - 3,717,811.29 square miles.
Japan - 145,882.85 square miles.