City size comparison

compared to

Johannesburg is about 14 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Johannesburg is approximately 1,644 sq km, making Johannesburg 1,259% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Johannesburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Johannesburg vs. San Francisco

Flip Comparison · See true size
See Johannesburg on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 2.8 times more expensive than Johannesburg
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