Madrid
604 km²
Seattle
369 km²
Spain
United States
Area Comparison
Madrid is 1.6x larger than Seattle
Population Comparison
Madrid has 4.5x more people than Seattle
In terms of area, Madrid is 1.6x the size of Seattle. Madrid spans 604 km² (233 mi²) while Seattle covers 369 km² (142 mi²) — a difference of 235 km².
To put Madrid's size in perspective, its area of 604 km² is roughly the same size as Seoul. Meanwhile, Seattle at 369 km² is about 1.6x smaller than Seoul.
Madrid's footprint is roughly about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan — pick whichever unit feels intuitive. Seattle works out to about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Madrid is the capital and most populous city of Spain. It had a population of over 3.4 million in the city proper in 2025, and a metropolitan area population of approximately 6.8 million. Madrid is the second-largest city in the European Union (EU), after Berlin, and its metropolitan area is the second-largest in the EU, after Paris. The municipality covers an area of 605.77 square kilometres (233.89 sq mi).
Known as "La Villa y Corte", Madrid covers 604 km² with a population of 3.3 million. The city was established in 852. Madrid is known for Royal Palace of Madrid, Prado Museum, Plaza Mayor, among other attractions. The city's main transit system is the Madrid Metro.
Madrid is the second-largest city in the European Union after Berlin, with over 3.4 million residents in the city proper
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.
Nicknamed "The Emerald City", Seattle has an area of 369 km² and is home to 0.7 million people. Its history stretches back to 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.
Madrid has a population density of 5,513 people per km² — a densely populated city. Seattle, with 2,005 people per km², is a moderately dense city. Madrid is noticeably denser, packing 2.7 times more people per square kilometer.
Density Gap
Madrid is 2.7x more densely populated
History
Madrid is ~999 years older
Madrid covers 604 km². Cities with a similar urban footprint include Seoul (605 km²), Mumbai (603 km²), Chicago (606 km²), Toronto (630 km²), or Hyderabad (650 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 Madrid to Seattle is 8,510 km (5,288 miles), with an estimated flight time of ~10h 31m.
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