City size comparison

compared to

Arlington is about 2 times bigger than Boston.

Boston is approximately 124 sq km, while Arlington is approximately 248 sq km, making Arlington 100% larger than Boston.
Tip: This to-scale comparison of Boston vs. Arlington uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Arlington vs. Boston

Flip Comparison · See true size
See Arlington on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 42.4% more expensive than Arlington
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