State size comparison

compared to

Illinois is about 1,161 times bigger than Boston.

Boston is approximately 124 sq km, while Illinois is approximately 143,961 sq km, making Illinois 115,998% larger than Boston.
Tip: This to-scale comparison of Boston vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Illinois vs. Boston
Flip Comparison · See true size
See Illinois on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 36.4% more expensive than Illinois
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