Atlanta
348 km²
San Diego
964 km²
United States
United States
Area Comparison
Atlanta is 2.8x smaller than San Diego
Population Comparison
Atlanta has 2.8x fewer people than San Diego
In terms of area, San Diego is 2.8x the size of Atlanta. San Diego spans 964 km² (372 mi²) while Atlanta covers 348 km² (134 mi²) — a difference of 616 km². You could fit Atlanta inside San Diego approximately 2 times.
To put Atlanta's size in perspective, its area of 348 km² is about 1.6x the size of Amsterdam. Meanwhile, San Diego at 964 km² is roughly the same size as Berlin.
Picture Atlanta another way: its area is large enough to fit about 49,000 American football fields, 170 times the area of Monaco, or 100 times the area of Central Park. San Diego, by comparison, equals about 135,000 American football fields, 16 times the area of Manhattan, or 9 times the area of Paris.
Atlanta is the capital and most populous city of the U.S. state of Georgia. It is the county seat of Fulton County and extends into neighboring DeKalb County. With a population of 498,715 at the 2020 census and an estimated 520,070 in 2024, Atlanta is the eighth-most populous city in the Southeast and the 36th-most populous city in the United States. Atlanta is classified as a Beta+ global city.
Known as "The ATL", Atlanta covers 348 km² with a population of 0.5 million. The city was established in 1845. Atlanta is known for Coca-Cola headquarters, Hartsfield-Jackson Airport, Georgia Aquarium, among other attractions.
Atlanta is Georgia's capital and most populous city, with around 520,070 residents estimated in 2024.
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.
Nicknamed "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.
Atlanta has a population density of 1,437 people per km² — a relatively spread-out city. San Diego, with 1,442 people per km², is a relatively spread-out city. Both cities have comparable density, though San Diego is slightly more compact.
Size Ratio
Atlanta fits inside San Diego ~2 times
Atlanta covers 348 km². Cities with a similar urban footprint include Dhaka (368 km²), Seattle (369 km²), Philadelphia (370 km²), Portland (376 km²), or Munich (311 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 Atlanta to San Diego is 3,037 km (1,887 miles), with an estimated flight time of ~4h 4m.
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