City size comparison

compared to

Blacksburg is about 2.4 times smaller than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Blacksburg is approximately 51 sq km, making Blacksburg 42.38% the size of San Francisco.
Tip: This to-scale comparison of San Francisco vs. Blacksburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Blacksburg vs. San Francisco

Flip Comparison · See true size
See Blacksburg on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 81.9% more expensive than Blacksburg
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