City size comparison

compared to

Boston is about 2.6 times bigger than Lyon.

Lyon is approximately 48 sq km, while Boston is approximately 124 sq km, making Boston 159% larger than Lyon.
Tip: This to-scale comparison of Lyon vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Lyon

Flip Comparison · See true size
See Boston on top of Lyon
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Cost of Living Comparison · 7 categories - 2026 data
Lyon is 12.8% cheaper than Boston
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