Copenhagen
91 km²
San Diego
964 km²
Denmark
United States
Area Comparison
Copenhagen is 10.6x smaller than San Diego
Population Comparison
Copenhagen has 2.1x fewer people than San Diego
San Diego is significantly larger, covering 10.6 times the area of Copenhagen. San Diego spans 964 km² (372 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 873 km². You could fit Copenhagen inside San Diego approximately 10 times.
To put Copenhagen's size in perspective, its area of 91 km² is about 1.2x smaller than Paris (city proper). Meanwhile, San Diego at 964 km² is roughly the same size as Berlin.
In more relatable units, Copenhagen's 91 km² is about 13,000 American football fields, 190 times the area of Vatican City, or 45 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.
Copenhagen is the capital and most populous city of both the country of Denmark and the wider Kingdom of Denmark, with a population of 667,000 people in the municipality and 1.4 million in the urban area. The city is situated mainly on the island of Zealand (Sjælland), with a smaller part on the island of Amager. Copenhagen is separated from Malmö, Sweden, by the Øresund strait. The Øresund Bridge connects the two cities by rail and road.
Known as "City of Spires", Copenhagen covers 91 km² with a population of 0.7 million. The city was established in 1167. Copenhagen is known for The Little Mermaid statue, Tivoli Gardens, Nyhavn waterfront, among other attractions.
Copenhagen sits mainly on the island of Zealand, with a smaller portion on the island of Amager.
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.
Often called "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.
Copenhagen has a population density of 7,363 people per km² — a densely populated city. San Diego, with 1,442 people per km², is a relatively spread-out city. Copenhagen is dramatically more crowded, with 5.1x the population density.
Size Ratio
Copenhagen fits inside San Diego ~10 times
Density Gap
Copenhagen is 5.1x more densely populated
History
Copenhagen is ~602 years older
Copenhagen covers 91 km². Cities with a similar urban footprint include Zurich (88 km²), Lisbon (100 km²), Barcelona (101 km²), Paris (105 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 Copenhagen to San Diego is 9,093 km (5,650 miles), with an estimated flight time of ~11h 12m.
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