Hangzhou
16,854 km²
Seattle
369 km²
People's Republic of China
United States
Area Comparison
Hangzhou is 45.7x larger than Seattle
Population Comparison
Hangzhou has 16.1x more people than Seattle
In terms of area, Hangzhou is 45.7x the size of Seattle. Hangzhou spans 16,854 km² (6,507 mi²) while Seattle covers 369 km² (142 mi²) — a difference of 16,485 km². You could fit Seattle inside Hangzhou approximately 45 times.
To put Hangzhou's size in perspective, its area of 16,854 km² is about 2.7x the size of Shanghai. Meanwhile, Seattle at 369 km² is about 1.6x smaller than Seoul.
Picture Hangzhou another way: its area is large enough to fit about 2,400,000 American football fields, 160 times the area of Paris, or 140 times the area of San Francisco. Seattle works out to about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Hangzhou is the capital city and most populous city of Zhejiang province, China, situated at the intersection of the southern terminus of the Grand Canal and the head of Hangzhou Bay. Renowned as one of the Eight Ancient Capitals of China, Hangzhou is celebrated for its cultural heritage and its West Lake, a UNESCO World Heritage site.
Known as "Paradise on Earth", Hangzhou covers 16,854 km² with a population of 11.9 million. Hangzhou is known for West Lake, Grand Canal terminus, Lingyin Temple, among other attractions.
Hangzhou's West Lake is a UNESCO World Heritage site, drawing visitors to its celebrated cultural landscape.
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.
Also known as "The Emerald City", Seattle has an area of 369 km² and is home to 0.7 million people. The city dates 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.
Hangzhou has a population density of 708 people per km² — a relatively spread-out city. Seattle, with 2,005 people per km², is a moderately dense city. Seattle is noticeably denser, packing 2.8 times more people per square kilometer.
Size Ratio
Seattle fits inside Hangzhou ~45 times
Density Gap
Seattle is 2.8x more densely populated
Hangzhou covers 16,854 km². Cities with a similar urban footprint include Beijing (16,411 km²), Brisbane (15,826 km²), Chengdu (14,378 km²), Sydney (12,368 km²), or Xi'an (10,097 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 Hangzhou to Seattle is 9,349 km (5,809 miles), with an estimated flight time of ~11h 30m.
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