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Illinois is approximately 143,961 sq km, while Ohio is approximately 106,056 sq km, making Ohio 73.67% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (1.3 million fewer people live in Ohio).
Size of Ohio vs. China
Size of Ohio vs. Spain
Size of Ohio vs. France
Size of Ohio vs. Thailand
Size of Ohio vs. Egypt
Size of Ohio vs. United States
Size of Ohio (US) vs. Arizona (US)
Size of Ohio (US) vs. Virginia (US)
Size of Ohio (US) vs. New Jersey (US)
Size of Ohio (US) vs. Tennessee (US)
Size of Ohio (US) vs. Florida (US)
Size of Ohio (US) vs. New York (US)
