State size comparison

compared to

Ohio is about 1.7 times smaller than Oklahoma.

Oklahoma is approximately 177,847 sq km, while Ohio is approximately 106,056 sq km, making Ohio 59.63% the size of Oklahoma. Meanwhile, the population of Oklahoma is ~3.8 million people (7.8 million more people live in Ohio).
Tip: This to-scale comparison of Oklahoma vs. Ohio uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Ohio vs. Oklahoma
Flip Comparison · See true size
See Ohio on top of Oklahoma
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Cost of Living Comparison · 7 categories - 2026 data
Oklahoma is 5.7% more expensive than Ohio
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