Denver
401 km²
Rome
1,285 km²
United States
Italy
Area Comparison
Denver is 3.2x smaller than Rome
Population Comparison
Denver has 4.0x fewer people than Rome
Yes — Rome is 3.2x larger than Denver by area. Rome spans 1,285 km² (496 mi²) while Denver covers 401 km² (155 mi²) — a difference of 884 km². You could fit Denver inside Rome approximately 3 times.
To put Denver's size in perspective, its area of 401 km² is about 1.5x smaller than Seoul. Meanwhile, Rome at 1,285 km² is about 1.2x smaller than London.
In more relatable units, Denver's 401 km² is about 56,000 American football fields, 200 times the area of Monaco, or 120 times the area of Central Park. Rome, by comparison, equals about 180,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris.
Denver is the capital and most populous city of the U.S. state of Colorado. Officially a consolidated city and county, it is located in the South Platte River valley on the western edge of the High Plains, and is just east of the Front Range of the Rocky Mountains (Rockies). Denver is the 19th-most populous city in the United States and the fifth-most populous state capital, with a population of 715,522 at the 2020 census.
Known as "Mile High City", Denver covers 401 km² with a population of 0.7 million. The city was established in 1858. Denver is known for Red Rocks Amphitheatre, Denver Art Museum, Union Station, among other attractions.
Denver sits in the South Platte River valley just east of the Rocky Mountains' Front Range.
Rome is the capital city and most populated comune (municipality) of Italy. It is also the administrative centre of the Lazio region and of the Metropolitan City of Rome. A special comune named Roma Capitale with a population of 2.7 million in an area of 1,287.36 km2 (497.1 mi2), Rome is the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome Capital, with a population of 4.2 million, is the most populous metropolitan city in Italy.
Often called "The Eternal City", Rome has an area of 1,285 km² and is home to 2.9 million people. It was founded around 753 BC. Visitors come for Colosseum, Vatican City, Trevi Fountain, and much more. Getting around is easy with the Rome Metro.
Rome's special comune Roma Capitale spans 1,287 km2, making it the third most populous city in the EU within city limits
Denver has a population density of 1,796 people per km² — a relatively spread-out city. Rome, with 2,233 people per km², is a moderately dense city. Both cities have comparable density, though Rome is slightly more compact.
Denver has a cold semi-arid climate climate while Rome experiences Mediterranean conditions.
Size Ratio
Denver fits inside Rome ~3 times
History
Rome is ~2,611 years older
Denver covers 401 km². Cities with a similar urban footprint include Vienna (415 km²), Portland (376 km²), Philadelphia (370 km²), Seattle (369 km²), or Dhaka (368 km²).
Rome covers 1,285 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 km²).
The straight-line distance from Denver to Rome is 8,966 km (5,571 miles), with an estimated flight time of ~11h 3m.
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