Illinois' area is 150,000 square kilometers.
Square miles, 57, 918 Square kilometers, 149, 998
The area of Clinton Lake - Illinois - is 19.83 square kilometers.
The area of Illinois is 57,914 square miles (149,998 square kilometers), which probably includes the chunk of Lake Michigan in the northeast corner of Illinois.
The area of Illinois Beach State Park is 16.835 square kilometers.
170,304 square kilometers
28,748 square kilometers.
2,211.85 square kilometers.
Macau is 31.3 square kilometers.
3250 square meters = 0.00325 square kilometers
440 square kilometers = 169.9 square miles.
617.76 square miles = 1600 square kilometers