Athens
39 km²
San Diego
964 km²
Greece
United States
Area Comparison
Athens is 24.7x smaller than San Diego
Population Comparison
Athens has 2.2x fewer people than San Diego
In terms of area, San Diego is 24.7x the size of Athens. San Diego spans 964 km² (372 mi²) while Athens covers 39 km² (15 mi²) — a difference of 925 km². You could fit Athens inside San Diego approximately 24 times.
To put Athens's size in perspective, its area of 39 km² is about 1.5x smaller than Manhattan. Meanwhile, San Diego at 964 km² is roughly the same size as Berlin.
Picture Athens another way: its area is large enough to fit about 5,500 American football fields, 80 times the area of Vatican City, or 19 times the area of Monaco. San Diego works out to about 135,000 American football fields, 16 times the area of Manhattan, or 9 times the area of Paris.
Athens is the capital and largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica region and is the southernmost capital on the European mainland. With its urban area's population numbering over 3.6 million, it is the eighth-largest urban area in the European Union (EU).
Known as "Cradle of Western Civilization", Athens covers 39 km² with a population of 0.6 million. The city was founded around 7000 BC. Athens is known for Acropolis of Athens, Parthenon, Plaka neighborhood, among other attractions.
Athens is the southernmost capital on the European mainland and capital of the Attica region.
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. The city dates back to 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.
Athens has a population density of 16,410 people per km² — an extremely dense urban environment. San Diego, with 1,442 people per km², is a relatively spread-out city. Athens is dramatically more crowded, with 11.4x the population density.
Size Ratio
Athens fits inside San Diego ~24 times
Density Gap
Athens is 11.4x more densely populated
History
Athens is ~8,769 years older
Athens covers 39 km². Cities with a similar urban footprint include Manila (43 km²), Tel Aviv (52 km²), Zurich (88 km²), Copenhagen (91 km²), or Lisbon (100 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 Athens to San Diego is 11,173 km (6,943 miles), with an estimated flight time of ~13h 39m.
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