Houston
1,725 km²
Vienna
415 km²
United States
Austria
Area Comparison
Houston is 4.2x larger than Vienna
Population Comparison
Houston has 1.2x more people than Vienna
Yes — Houston is 4.2x larger than Vienna by area. Houston spans 1,725 km² (666 mi²) while Vienna covers 415 km² (160 mi²) — a difference of 1,310 km². You could fit Vienna inside Houston approximately 4 times.
To put Houston's size in perspective, its area of 1,725 km² is roughly the same size as London. Meanwhile, Vienna at 415 km² is about 1.5x smaller than Seoul.
In more relatable units, Houston's 1,725 km² is about 242,000 American football fields, 29 times the area of Manhattan, or 16 times the area of Paris. Vienna works out to about 58,000 American football fields, 120 times the area of Central Park, or 7 times the area of Manhattan.
Houston is the most populous city in the U.S. state of Texas and the Southern United States. It is the fourth-most populous city in the United States, with a population of 2.3 million at the 2020 census. The Greater Houston metropolitan area, at 7.8 million residents, is the fifth-most populous metropolitan area in the nation and second-most populous in Texas. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, Houston is the county seat of Harris County.
Known as "Space City", Houston covers 1,725 km² with a population of 2.3 million. The city was established in 1836. Houston is known for NASA Johnson Space Center, Space Center Houston, Houston Astros, among other attractions.
Houston is the fourth-most populous US city with 2.3 million residents at the 2020 census, leading the entire South.
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
Houston has a population density of 1,333 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 3.6x the population density.
Size Ratio
Vienna fits inside Houston ~4 times
Density Gap
Vienna is 3.6x more densely populated
History
Vienna is ~2,336 years older
Houston covers 1,725 km². Cities with a similar urban footprint include Riyadh (1,798 km²), Johannesburg (1,644 km²), Bogotá (1,578 km²), London (1,572 km²), or Bangkok (1,569 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 Houston to Vienna is 9,011 km (5,599 miles), with an estimated flight time of ~11h 6m.
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