City size comparison

compared to

Lyon is about 2.6 times smaller than Boston.

Boston is approximately 124 sq km, while Lyon is approximately 48 sq km, making Lyon 38.6% the size of Boston.
Tip: This to-scale comparison of Boston vs. Lyon uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Lyon vs. Boston

Flip Comparison · See true size
See Lyon on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 58.8% more expensive than Lyon
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