Denver
401 km²
Lagos
1,172 km²
United States
Nigeria
Area Comparison
Denver is 2.9x smaller than Lagos
Population Comparison
Denver has 21.4x fewer people than Lagos
Yes — Lagos is 2.9x larger than Denver by area. Lagos spans 1,172 km² (453 mi²) while Denver covers 401 km² (155 mi²) — a difference of 771 km². You could fit Denver inside Lagos approximately 2 times.
To put Denver's size in perspective, its area of 401 km² is about 1.5x smaller than Seoul. Meanwhile, Lagos at 1,172 km² is about 1.3x the size of Berlin.
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. Lagos, by comparison, equals about 164,000 American football fields, 20 times the area of Manhattan, or 11 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.
Lagos, or Lagos City, is a large metropolitan port city in southwestern Nigeria. As of November 2025, the size of the city's population has been estimated to be between 17 and 21 million residents, making Lagos the largest city in Nigeria, the most populous urban area on the African continent, and one of the fastest-growing megacities in the world.
Also known as "Lasgidi", Lagos has an area of 1,172 km² and is home to 15.4 million people. The city dates back to 1472. Visitors come for Victoria Island, Lekki Conservation Centre, Nike Art Gallery, and much more. Getting around is easy with the Lagos Rail (Blue & Red Lines).
Lagos is the most populous urban area on the African continent, with an estimated 17 to 21 million residents as of 2025.
Denver has a population density of 1,796 people per km² — a relatively spread-out city. Lagos, with 13,131 people per km², is an extremely dense urban environment. Lagos is dramatically more crowded, with 7.3x the population density.
Denver has a cold semi-arid climate climate while Lagos experiences tropical savanna conditions.
Size Ratio
Denver fits inside Lagos ~2 times
Density Gap
Lagos is 7.3x more densely populated
History
Lagos is ~386 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).
Lagos covers 1,172 km². Cities with a similar urban footprint include San Antonio (1,209 km²), Rio de Janeiro (1,221 km²), Hong Kong (1,114 km²), Rome (1,285 km²), or Los Angeles (1,302 km²).
The straight-line distance from Denver to Lagos is 11,084 km (6,887 miles), with an estimated flight time of ~13h 32m.
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