City size comparison

compared to

Dayton is about 1.4 times bigger than Barcelona.

Barcelona is approximately 101 sq km, while Dayton is approximately 145 sq km, making Dayton 43% larger than Barcelona.
Tip: This to-scale comparison of Barcelona vs. Dayton uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Dayton vs. Barcelona

Flip Comparison · See true size
See Dayton on top of Barcelona
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Cost of Living Comparison · 7 categories - 2026 data
Barcelona is 10.1% more expensive than Dayton
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