San Diego
964 km²
Vienna
415 km²
United States
Austria
Area Comparison
San Diego is 2.3x larger than Vienna
Population Comparison
San Diego has 1.4x fewer people than Vienna
San Diego is significantly larger, covering 2.3 times the area of Vienna. San Diego spans 964 km² (372 mi²) while Vienna covers 415 km² (160 mi²) — a difference of 549 km². You could fit Vienna inside San Diego approximately 2 times.
To put San Diego's size in perspective, its area of 964 km² is roughly the same size as Berlin. Meanwhile, Vienna at 415 km² is about 1.5x smaller than Seoul.
San Diego's footprint is roughly about 135,000 American football fields, 16 times the area of Manhattan, or 9 times the area of Paris — pick whichever unit feels intuitive. For Vienna, that's about 58,000 American football fields, 120 times the area of Central Park, or 7 times the area of Manhattan.
San Diego is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. It is the eighth-most populous city in the U.S. and second-most populous city in California with a population of over 1.4 million, while the San Diego metropolitan area with over 3.3 million residents is the 18th-largest metropolitan area in the country. San Diego is the county seat of San Diego County.
Known as "America's Finest City", San Diego covers 964 km² with a population of 1.4 million. The city was established in 1769. San Diego is known for San Diego Zoo, Balboa Park, Coronado Beach, among other attractions.
San Diego sits directly on the Mexico-United States border, making it California's southwesternmost major city.
Vienna is the capital, most populous city, and one of the nine states of Austria. It is Austria's primate city, with just over two million inhabitants. Its larger metropolitan area has a population of nearly 2.9 million, representing nearly one-third of the country's population. Vienna is the cultural, economic, and political centre of the country, the fifth-largest city by population in the European Union, and the most populous of the cities on the river Danube.
Nicknamed "City of Music", Vienna has an area of 415 km² and is home to 2.0 million people. It was founded around 500 BC. Visitors come for Schönbrunn Palace, St. Stephen's Cathedral, Hofburg Palace, and much more. Getting around is easy with the Wiener Linien (U-Bahn).
Vienna's metropolitan area holds nearly 2.9 million people, representing roughly one-third of Austria's entire population
San Diego has a population density of 1,442 people per km² — a relatively spread-out city. Vienna, with 4,771 people per km², is a moderately dense city. Vienna is dramatically more crowded, with 3.3x the population density.
Size Ratio
Vienna fits inside San Diego ~2 times
Density Gap
Vienna is 3.3x more densely populated
History
Vienna is ~2,269 years older
San Diego covers 964 km². Cities with a similar urban footprint include Abu Dhabi (972 km²), Dallas (997 km²), Berlin (892 km²), Santiago (838 km²), or Hong Kong (1,114 km²).
Vienna covers 415 km². Cities with a similar urban footprint include Denver (401 km²), Oslo (454 km²), Portland (376 km²), Philadelphia (370 km²), or Seattle (369 km²).
The straight-line distance from San Diego to Vienna is 9,901 km (6,152 miles), with an estimated flight time of ~12h 9m.
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