City size comparison

compared to

Houston is around the same size as Johannesburg.

Johannesburg is approximately 1,644 sq km, while Houston is approximately 1,659 sq km, making Houston 1% larger than Johannesburg.
Tip: This to-scale comparison of Johannesburg vs. Houston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Houston vs. Johannesburg

Flip Comparison · See true size
See Houston on top of Johannesburg
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Cost of Living Comparison · 7 categories - 2026 data
Johannesburg is 44.3% cheaper than Houston
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