Denver
401 km²
Sydney
12,368 km²
United States
Australia
Area Comparison
Denver is 30.8x smaller than Sydney
Population Comparison
Denver has 7.4x fewer people than Sydney
Sydney is significantly larger, covering 30.8 times the area of Denver. Sydney spans 12,368 km² (4,775 mi²) while Denver covers 401 km² (155 mi²) — a difference of 11,967 km². You could fit Denver inside Sydney approximately 30 times.
To put Denver's size in perspective, its area of 401 km² is about 1.5x smaller than Seoul. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
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. For Sydney, that's about 1,700,000 American football fields, 120 times the area of Paris, or 100 times the area of San Francisco.
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.
Sydney is the capital city of the state of New South Wales, and is the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about 80 kilometres (50 mi) from the Pacific Ocean in the east to the Blue Mountains in the west, and about 80 kilometres (50 mi) from Ku-ring-gai Chase National Park and the Hawkesbury River in the north and north-west, to the Royal National Park and Macarthur in the south and south-west.
Often called "Sydneysiders", Sydney has an area of 12,368 km² and is home to 5.3 million people. The city dates back to 1788. Visitors come for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach, and much more. Getting around is easy with the Sydney Trains.
Sydney stretches roughly 80 km from the Pacific Ocean in the east to the Blue Mountains in the west.
Denver has a population density of 1,796 people per km² — a relatively spread-out city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Denver is dramatically more crowded, with 4.2x the population density.
Denver has a cold semi-arid climate climate while Sydney experiences humid subtropical conditions.
Size Ratio
Denver fits inside Sydney ~30 times
Density Gap
Denver is 4.2x more densely populated
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).
Sydney covers 12,368 km². Cities with a similar urban footprint include Chengdu (14,378 km²), Xi'an (10,097 km²), Melbourne (9,993 km²), Brisbane (15,826 km²), or Beijing (16,411 km²).
The straight-line distance from Denver to Sydney is 13,407 km (8,331 miles), with an estimated flight time of ~16h 16m.
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