Chicago
606 km²
Vienna
415 km²
USA
Austria
Area Comparison
Chicago is 1.5x larger than Vienna
Population Comparison
Chicago has 1.4x more people than Vienna
In terms of area, Chicago is 1.5x the size of Vienna. Chicago spans 606 km² (234 mi²) while Vienna covers 415 km² (160 mi²) — a difference of 191 km².
To put Chicago's size in perspective, its area of 606 km² is roughly the same size as Seoul. Meanwhile, Vienna at 415 km² is about 1.5x smaller than Seoul.
Picture Chicago another way: its area is large enough to fit about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan. For Vienna, that's about 58,000 American football fields, 120 times the area of Central Park, or 7 times the area of Manhattan.
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. Located on the western shore of Lake Michigan, it is the third-most populous city in the United States, with a population of 2.74 million at the 2020 census. The Chicago metropolitan area has 9.41 million residents and is the third-largest metropolitan area in the country. Chicago is the seat of Cook County, the second-most populous county in the U.S.
Known as "The Windy City", Chicago covers 606 km² with a population of 2.7 million. The city was established in 1833. Chicago is known for Willis Tower, Millennium Park Bean, Navy Pier, among other attractions. The city's main transit system is the CTA (L train).
Chicago is the third-most populous city in the United States with 2.74 million residents at the 2020 census.
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.
Also known as "City of Music", Vienna has an area of 415 km² and is home to 2.0 million people. Its history stretches back to 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
Looking beyond city limits, the Chicago metropolitan area covers 28,160 km², which is 7.3x larger than greater Vienna at 3,840 km². The Chicago metro area is also more populous, with 9.5 million people compared to 2.8 million.
Chicago has a population density of 4,455 people per km² — a moderately dense city. Vienna, with 4,771 people per km², is a moderately dense city. Both cities have comparable density, though Vienna is slightly more compact.
This comparison spans continents — Chicago in North America versus Vienna in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Chicago has a humid continental climate while Vienna experiences oceanic conditions. When it's noon in Vienna, it's 5:00 AM in Chicago — a 7-hour time difference.
Time Difference
7 hours apart
History
Vienna is ~2,333 years older
Chicago covers 606 km². Cities with a similar urban footprint include Seoul (605 km²), Madrid (604 km²), Mumbai (603 km²), Toronto (630 km²), or Hyderabad (650 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 Chicago to Vienna is 7,540 km (4,685 miles), with an estimated flight time of ~9h 22m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.