The land mass of the US has an area of 9,161,922 square kilometers.
9,826,675 square kilometers
9,161,923 sq km
For the 50 States and the District of Columbia, that is 9,826,630 square kilometers.
16,995,800 square kilometers is russia,754,000 square kilometers is US
170,304 square kilometers
28,748 square kilometers.
2,211.85 square kilometers.
34.2 persons per km2
Macau is 31.3 square kilometers.
It covers 3,794,066 square miles, or 9,826,630 square kilometers. 6.76% of which is water.
3250 square meters = 0.00325 square kilometers