It is 1,379.03 miles according to MapQuest.
163.3 miles 262.81 km It would take about 4 hours
2,398 square miles.
Its area is 57,914 square miles.
Libertyville, Illinois, USA - 9.1 square miles.
Johnson County, Illinois, USA - 349 square miles.
Illinois' area is 57,900 square miles or 37,055,848.2 acres.
57,918 sq mi
Cook County, Illinois, USA - 1,635 square miles.
Illinois is 390 miles long and 210 miles wide depending on where you stand, and has an area of 57,918 square miles, making it the 25th largest of the 50 states.
Gridley's area is 2.07 square miles.
McLean County 1,184 sq mi