Copenhagen
91 km²
Seattle
369 km²
Denmark
United States
Area Comparison
Copenhagen is 4.1x smaller than Seattle
Population Comparison
Copenhagen has 1.1x fewer people than Seattle
Seattle is significantly larger, covering 4.1 times the area of Copenhagen. Seattle spans 369 km² (142 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 278 km². You could fit Copenhagen inside Seattle approximately 4 times.
To put Copenhagen's size in perspective, its area of 91 km² is about 1.2x smaller than Paris (city proper). Meanwhile, Seattle at 369 km² is about 1.6x smaller than Seoul.
Picture Copenhagen another way: its area is large enough to fit about 13,000 American football fields, 190 times the area of Vatican City, or 45 times the area of Monaco. For Seattle, that's about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
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.
Seattle is the most populous city in the U.S. state of Washington and the Pacific Northwest region of North America. It is the 18th-most populous city in the United States with a population of 780,995 in 2024, while the Seattle metropolitan area at over 4.15 million residents is the 15th-most populous metropolitan area in the nation. The city is the county seat of King County, the most populous county in Washington.
Often called "The Emerald City", Seattle has an area of 369 km² and is home to 0.7 million people. It was established in 1851. Visitors come for Space Needle, Pike Place Market, Starbucks headquarters, and much more.
Seattle is Washington's most populous city with 780,995 residents in 2024, anchoring the Pacific Northwest.
Copenhagen has a population density of 7,363 people per km² — a densely populated city. Seattle, with 2,005 people per km², is a moderately dense city. Copenhagen is dramatically more crowded, with 3.7x the population density.
Size Ratio
Copenhagen fits inside Seattle ~4 times
Density Gap
Copenhagen is 3.7x more densely populated
History
Copenhagen is ~684 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).
Seattle covers 369 km². Cities with a similar urban footprint include Philadelphia (370 km²), Dhaka (368 km²), Portland (376 km²), Atlanta (348 km²), or Denver (401 km²).
The straight-line distance from Copenhagen to Seattle is 7,787 km (4,839 miles), with an estimated flight time of ~9h 40m.
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