Dallas
997 km²
Lisbon
100 km²
United States
Portugal
Area Comparison
Dallas is 10.0x larger than Lisbon
Population Comparison
Dallas has 2.4x more people than Lisbon
Yes — Dallas is 10.0x larger than Lisbon by area. Dallas spans 997 km² (385 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 897 km². You could fit Lisbon inside Dallas approximately 9 times.
To put Dallas's size in perspective, its area of 997 km² is about 1.1x the size of Berlin. Meanwhile, Lisbon at 100 km² is roughly the same size as Paris (city proper).
In more relatable units, Dallas's 997 km² is about 140,000 American football fields, 17 times the area of Manhattan, or 9 times the area of Paris. Lisbon works out to about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park.
Dallas is a city in the U.S. state of Texas. Located in the state's northern region, it is the ninth-most populous city in the United States and third-most populous city in Texas, with a population of 1.3 million at the 2020 census. Along with the city of Fort Worth, Dallas anchors the Dallas–Fort Worth metroplex, the fourth-most populous metropolitan area in the U.S. and the most populous metropolitan area in Texas, at 8.5 million people.
Known as "Big D", Dallas covers 997 km² with a population of 1.3 million. The city was established in 1841. Dallas is known for Dealey Plaza, Reunion Tower, Dallas Cowboys, among other attractions.
Dallas is the ninth-most populous U.S. city and the third-largest in Texas with 1.3 million residents.
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.
Often called "City of Seven Hills", Lisbon has an area of 100 km² and is home to 0.6 million people. It was founded around 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.
Dallas has a population density of 1,304 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 4.2x the population density.
Size Ratio
Lisbon fits inside Dallas ~9 times
Density Gap
Lisbon is 4.2x more densely populated
History
Lisbon is ~3,041 years older
Dallas covers 997 km². Cities with a similar urban footprint include Abu Dhabi (972 km²), San Diego (964 km²), Hong Kong (1,114 km²), Berlin (892 km²), or Lagos (1,172 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 Dallas to Lisbon is 7,625 km (4,738 miles), with an estimated flight time of ~9h 28m.
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