Atlanta
348 km²
Lisbon
100 km²
United States
Portugal
Area Comparison
Atlanta is 3.5x larger than Lisbon
Population Comparison
Atlanta has 1.1x fewer people than Lisbon
Atlanta is significantly larger, covering 3.5 times the area of Lisbon. Atlanta spans 348 km² (134 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 248 km². You could fit Lisbon inside Atlanta approximately 3 times.
To put Atlanta's size in perspective, its area of 348 km² is about 1.6x the size of Amsterdam. Meanwhile, Lisbon at 100 km² is roughly the same size as Paris (city proper).
In more relatable units, Atlanta's 348 km² is about 49,000 American football fields, 170 times the area of Monaco, or 100 times the area of Central Park. For Lisbon, that's about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park.
Atlanta is the capital and most populous city of the U.S. state of Georgia. It is the county seat of Fulton County and extends into neighboring DeKalb County. With a population of 498,715 at the 2020 census and an estimated 520,070 in 2024, Atlanta is the eighth-most populous city in the Southeast and the 36th-most populous city in the United States. Atlanta is classified as a Beta+ global city.
Known as "The ATL", Atlanta covers 348 km² with a population of 0.5 million. The city was established in 1845. Atlanta is known for Coca-Cola headquarters, Hartsfield-Jackson Airport, Georgia Aquarium, among other attractions.
Atlanta is Georgia's capital and most populous city, with around 520,070 residents estimated in 2024.
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.
Also known as "City of Seven Hills", Lisbon has an area of 100 km² and is home to 0.6 million people. Its history stretches back to 1200 BC. Visitors come for Belém Tower, Jerónimos Monastery, Tram 28, and much more. Getting around is easy with the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
Atlanta has a population density of 1,437 people per km² — a relatively spread-out city. Lisbon, with 5,500 people per km², is a densely populated city. Lisbon is dramatically more crowded, with 3.8x the population density.
Size Ratio
Lisbon fits inside Atlanta ~3 times
Density Gap
Lisbon is 3.8x more densely populated
History
Lisbon is ~3,045 years older
Atlanta covers 348 km². Cities with a similar urban footprint include Dhaka (368 km²), Seattle (369 km²), Philadelphia (370 km²), Portland (376 km²), or Munich (311 km²).
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).
The straight-line distance from Atlanta to Lisbon is 6,578 km (4,087 miles), with an estimated flight time of ~8h 14m.
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