Philadelphia
370 km²
Portland
376 km²
United States
United States
Area Comparison
Philadelphia is 1.0x smaller than Portland
Population Comparison
Philadelphia has 2.5x more people than Portland
Yes — Portland is 1.0x larger than Philadelphia by area. Portland spans 376 km² (145 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 6 km².
To put Philadelphia's size in perspective, its area of 370 km² is about 1.6x smaller than Seoul. Meanwhile, Portland at 376 km² is about 1.6x smaller than Seoul.
In more relatable units, Philadelphia's 370 km² is about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park. Portland works out to about 53,000 American football fields, 190 times the area of Monaco, or 110 times the area of Central Park.
Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania, and the sixth-most populous city in the United States, with a Census-estimated population of 1,574,281 in July 2025. The Philadelphia metropolitan area has 6.33 million residents and is the nation's ninth-largest metropolitan area. Philadelphia is known for its culture, cuisine, and history, maintaining contemporary influence in business and technology, sports, and music.
Known as "Philly", Philadelphia covers 370 km² with a population of 1.6 million. The city was established in 1682. Philadelphia is known for Liberty Bell, Independence Hall, Philly Cheesesteak, among other attractions.
Philadelphia is the sixth-most populous US city, with an estimated 1,574,281 residents as of July 2025.
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.
Nicknamed "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.
Philadelphia has a population density of 4,324 people per km² — a moderately dense city. Portland, with 1,729 people per km², is a relatively spread-out city. Philadelphia is noticeably denser, packing 2.5 times more people per square kilometer.
Density Gap
Philadelphia is 2.5x more densely populated
Philadelphia covers 370 km². Cities with a similar urban footprint include Seattle (369 km²), Dhaka (368 km²), Portland (376 km²), Atlanta (348 km²), or Denver (401 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 Philadelphia to Portland is 3,872 km (2,406 miles), with an estimated flight time of ~5h 3m.
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