Dublin
115 km²
Seattle
369 km²
Ireland
United States
Area Comparison
Dublin is 3.2x smaller than Seattle
Population Comparison
Dublin has 1.3x fewer people than Seattle
In terms of area, Seattle is 3.2x the size of Dublin. Seattle spans 369 km² (142 mi²) while Dublin covers 115 km² (44 mi²) — a difference of 254 km². You could fit Dublin inside Seattle approximately 3 times.
To put Dublin's size in perspective, its area of 115 km² is roughly the same size as San Francisco. Meanwhile, Seattle at 369 km² is about 1.6x smaller than Seoul.
Picture Dublin another way: its area is large enough to fit about 16,000 American football fields, 57 times the area of Monaco, or 34 times the area of Central Park. For Seattle, that's about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Dublin is the capital and largest city of Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the province of Leinster, and is bordered on the south by the Dublin Mountains, part of the Wicklow Mountains range. Dublin is the largest city by population on the island of Ireland; at the 2022 census, the city council area had a population of 592,713, while the city, including suburbs, had a population of 1,263,219, and County Dublin had a population of 1,501,500.
Known as "The Fair City", Dublin covers 115 km² with a population of 0.6 million. The city was established in 841. Dublin is known for Trinity College, Guinness Storehouse, Temple Bar, among other attractions.
Dublin sits on Dublin Bay at the mouth of the River Liffey, bordered to the south by the Dublin Mountains.
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. 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.
Dublin has a population density of 5,130 people per km² — a densely populated city. Seattle, with 2,005 people per km², is a moderately dense city. Dublin is noticeably denser, packing 2.6 times more people per square kilometer.
Size Ratio
Dublin fits inside Seattle ~3 times
Density Gap
Dublin is 2.6x more densely populated
History
Dublin is ~1,010 years older
Dublin covers 115 km². Cities with a similar urban footprint include Vancouver (115 km²), San Francisco (121 km²), Paris (105 km²), Barcelona (101 km²), or Doha (132 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 Dublin to Seattle is 7,277 km (4,522 miles), with an estimated flight time of ~9h 4m.
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