City size comparison

compared to

Boston is about 13 times smaller than Johannesburg.

Johannesburg is approximately 1,644 sq km, while Boston is approximately 124 sq km, making Boston 7.54% the size of Johannesburg.
Tip: This to-scale comparison of Johannesburg vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Johannesburg

Flip Comparison · See true size
See Boston on top of Johannesburg
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Cost of Living Comparison · 7 categories - 2026 data
Johannesburg is 62.6% cheaper than Boston
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