City size comparison
compared to
San Diego is about 171 times smaller than Illinois.
Illinois is approximately 143,961 sq km, while San Diego is approximately 844 sq km, making San Diego 0.59% the size of Illinois.
This to-scale comparison of
Illinois
vs.
San Diego
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.