Correction for the size of San Diego
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How big is 6.4590 square miles?
It's about one-fiftieth as big as San Diego
The size of San Diego is about 324.30 square miles.
(California)
The second-largest city in California and the eleventh-largest in the United States as of 2009, San Diego measures 324.30 square miles in total area. The city is known for its defense manufacturing and biotechnology industries.