The United States is about 5 times larger than Mexico.
| Country | Total Area (km²) | Land Area (km²) | Water Area (km²) |
|---|---|---|---|
| United States | 9,833,517 | 9,147,593 | 685,924 |
| Mexico | 1,964,375 | 1,943,945 | 20,430 |
You could fit Mexico + Texas + California + Montana + New Mexico + Arizona + Nevada + Colorado + Oregon + Wyoming inside the US and still have room. Conversely, Mexico is roughly the size of Alaska + Texas combined (but Alaska alone is 1.7M km²).