London
1,572 km²
Portland
376 km²
UK
United States
Area Comparison
London is 4.2x larger than Portland
Population Comparison
London has 13.8x more people than Portland
Yes — London is 4.2x larger than Portland by area. London spans 1,572 km² (607 mi²) while Portland covers 376 km² (145 mi²) — a difference of 1,196 km². You could fit Portland inside London approximately 4 times.
To put London's size in perspective, its area of 1,572 km² is about 1.4x smaller than Tokyo (city proper). Meanwhile, Portland at 376 km² is about 1.6x smaller than Seoul.
Picture London another way: its area is large enough to fit about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris. Portland works out to about 53,000 American football fields, 190 times the area of Monaco, or 110 times the area of Central Park.
London is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.1 million. London stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years.
Known as "The Big Smoke", London covers 1,572 km² with a population of 9.0 million. The city was established in 43. London is known for Big Ben, Tower Bridge, Buckingham Palace, among other attractions. The city's main transit system is the London Underground.
London has been a major settlement for nearly 2,000 years, tracing its roots back to Roman times around 47 AD.
Portland is the most populous city in the U.S. state of Oregon. Located in the Pacific Northwest at the confluence of the Willamette and Columbia rivers, it is the 28th-most populous city in the United States, sixth-most populous on the West Coast, and fourth-most populous in the Pacific Northwest, with a population of 652,503 at the 2020 census. The Portland metropolitan area, with over 2.54 million residents, is the 26th-largest metropolitan area in the nation.
Often called "Rose City", Portland has an area of 376 km² and is home to 0.7 million people. Visitors come for Powell's City of Books, Voodoo Doughnut, Washington Park, and much more.
Portland sits at the confluence of the Willamette and Columbia rivers in the Pacific Northwest.
London has a population density of 5,712 people per km² — a densely populated city. Portland, with 1,729 people per km², is a relatively spread-out city. London is dramatically more crowded, with 3.3x the population density.
Size Ratio
Portland fits inside London ~4 times
Density Gap
London is 3.3x more densely populated
London covers 1,572 km². Cities with a similar urban footprint include Bangkok (1,569 km²), Bogotá (1,578 km²), São Paulo (1,521 km²), Johannesburg (1,644 km²), or Mexico City (1,485 km²).
Portland covers 376 km². Cities with a similar urban footprint include Philadelphia (370 km²), Seattle (369 km²), Dhaka (368 km²), Denver (401 km²), or Atlanta (348 km²).
The straight-line distance from London to Portland is 7,907 km (4,913 miles), with an estimated flight time of ~9h 48m.
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