Miami
143 km²
San Diego
964 km²
USA
United States
Area Comparison
Miami is 6.7x smaller than San Diego
Population Comparison
Miami has 3.2x fewer people than San Diego
In terms of area, San Diego is 6.7x the size of Miami. San Diego spans 964 km² (372 mi²) while Miami covers 143 km² (55 mi²) — a difference of 821 km². You could fit Miami inside San Diego approximately 6 times.
To put Miami's size in perspective, its area of 143 km² is about 1.2x the size of San Francisco. Meanwhile, San Diego at 964 km² is roughly the same size as Berlin.
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. San Diego works out to about 135,000 American football fields, 16 times the area of Manhattan, or 9 times the area of Paris.
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
San Diego is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. It is the eighth-most populous city in the U.S. and second-most populous city in California with a population of over 1.4 million, while the San Diego metropolitan area with over 3.3 million residents is the 18th-largest metropolitan area in the country. San Diego is the county seat of San Diego County.
Also known as "America's Finest City", San Diego has an area of 964 km² and is home to 1.4 million people. It was established in 1769. Visitors come for San Diego Zoo, Balboa Park, Coronado Beach, and much more.
San Diego sits directly on the Mexico-United States border, making it California's southwesternmost major city.
Miami has a population density of 3,077 people per km² — a moderately dense city. San Diego, with 1,442 people per km², is a relatively spread-out city. Miami is noticeably denser, packing 2.1 times more people per square kilometer.
Size Ratio
Miami fits inside San Diego ~6 times
Density Gap
Miami is 2.1x more densely populated
History
San Diego is ~127 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).
San Diego covers 964 km². Cities with a similar urban footprint include Abu Dhabi (972 km²), Dallas (997 km²), Berlin (892 km²), Santiago (838 km²), or Hong Kong (1,114 km²).
The straight-line distance from Miami to San Diego is 3,650 km (2,268 miles), with an estimated flight time of ~4h 48m.
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