Miami
143 km²
Sydney
12,368 km²
USA
Australia
Area Comparison
Miami is 86.5x smaller than Sydney
Population Comparison
Miami has 12.1x fewer people than Sydney
Sydney is significantly larger, covering 86.5 times the area of Miami. Sydney spans 12,368 km² (4,775 mi²) while Miami covers 143 km² (55 mi²) — a difference of 12,225 km². You could fit Miami inside Sydney approximately 86 times.
To put Miami's size in perspective, its area of 143 km² is about 1.2x the size of San Francisco. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
In more relatable units, Miami's 143 km² is about 20,000 American football fields, 71 times the area of Monaco, or 42 times the area of Central Park. Sydney works out to about 1,700,000 American football fields, 120 times the area of Paris, or 100 times the area of San Francisco.
Miami is a coastal city in the U.S. state of Florida. It is the second-most populous city proper in Florida, with a population of 442,241 at the 2020 census. The Miami metropolitan area in South Florida has an estimated 6.39 million residents, ranking as the fifth-largest metropolitan area in the Southeast and eighth-largest metropolitan area in the United States. Miami has the third-largest skyline in the U.S. with over 300 high-rises, 70 of which exceed 491 ft (150 m).
Known as "Magic City", Miami covers 143 km² with a population of 0.4 million. The city was established in 1896. Miami is known for South Beach, Art Deco Historic District, Little Havana, among other attractions. The city's main transit system is the Metrorail Miami.
Miami boasts the third-largest skyline in the U.S. with over 300 high-rises, 70 of them topping 491 feet
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.
Also known as "Sydneysiders", Sydney has an area of 12,368 km² and is home to 5.3 million people. It was established in 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.
Looking beyond city limits, the Miami metropolitan area covers 15,890 km², which is 1.3x larger than greater Sydney at 12,368 km². The Miami metro area is also more populous, with 6.2 million people compared to 5.3 million.
Miami has a population density of 3,077 people per km² — a moderately dense city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Miami is dramatically more crowded, with 7.2x the population density.
This comparison spans continents — Miami in North America versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Miami has a tropical monsoon climate while Sydney experiences humid subtropical conditions. When it's noon in Sydney, it's midnight in Miami — a 15-hour time difference.
Size Ratio
Miami fits inside Sydney ~86 times
Density Gap
Miami is 7.2x more densely populated
Time Difference
15 hours apart
History
Sydney is ~108 years older
Miami covers 143 km². Cities with a similar urban footprint include Minneapolis (149 km²), Brussels (161 km²), San Francisco (121 km²), Washington D.C. (177 km²), or Vancouver (115 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 Miami to Sydney is 15,026 km (9,337 miles), with an estimated flight time of ~18h 11m.
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