Lisbon
100 km²
Portland
376 km²
Portugal
United States
Area Comparison
Lisbon is 3.8x smaller than Portland
Population Comparison
Lisbon has 1.2x fewer people than Portland
Yes — Portland is 3.8x larger than Lisbon by area. Portland spans 376 km² (145 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 276 km². You could fit Lisbon inside Portland approximately 3 times.
To put Lisbon's size in perspective, its area of 100 km² is roughly the same size as Paris (city proper). Meanwhile, Portland at 376 km² is about 1.6x smaller than Seoul.
In more relatable units, Lisbon's 100 km² is about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park. For Portland, that's about 53,000 American football fields, 190 times the area of Monaco, or 110 times the area of Central Park.
Lisbon is the capital and most populous city of Portugal, with an estimated population of 575,739 as of 2024, within its administrative limits and 3,028,000 within the metropolis, as of 2025. Lisbon is mainland Europe's westernmost capital city, and the only one along the Atlantic coast, the others being on islands. The city lies in the western portion of the Iberian Peninsula, on the northern shore of the River Tagus.
Known as "City of Seven Hills", Lisbon covers 100 km² with a population of 0.6 million. The city was founded around 1200 BC. Lisbon is known for Belém Tower, Jerónimos Monastery, Tram 28, among other attractions. The city's main transit system is the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
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.
Lisbon has a population density of 5,500 people per km² — a densely populated city. Portland, with 1,729 people per km², is a relatively spread-out city. Lisbon is dramatically more crowded, with 3.2x the population density.
Size Ratio
Lisbon fits inside Portland ~3 times
Density Gap
Lisbon is 3.2x more densely populated
Lisbon covers 100 km². Cities with a similar urban footprint include Barcelona (101 km²), Paris (105 km²), Copenhagen (91 km²), Zurich (88 km²), or Vancouver (115 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 Lisbon to Portland is 8,542 km (5,308 miles), with an estimated flight time of ~10h 33m.
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