City size comparison
compared to
San Diego is about 2 times bigger than Vienna.
Vienna is approximately 415 sq km, while San Diego is approximately 844 sq km, making San Diego 103% larger than Vienna.
This to-scale comparison of
Vienna
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.