Dallas
997 km²
Rome
1,285 km²
United States
Italy
Area Comparison
Dallas is 1.3x smaller than Rome
Population Comparison
Dallas has 2.2x fewer people than Rome
In terms of area, Rome is 1.3x the size of Dallas. Rome spans 1,285 km² (496 mi²) while Dallas covers 997 km² (385 mi²) — a difference of 288 km².
To put Dallas's size in perspective, its area of 997 km² is about 1.1x the size of Berlin. Meanwhile, Rome at 1,285 km² is about 1.2x smaller than London.
Dallas's footprint is roughly about 140,000 American football fields, 17 times the area of Manhattan, or 9 times the area of Paris — pick whichever unit feels intuitive. For Rome, that's about 180,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris.
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.
Rome is the capital city and most populated comune (municipality) of Italy. It is also the administrative centre of the Lazio region and of the Metropolitan City of Rome. A special comune named Roma Capitale with a population of 2.7 million in an area of 1,287.36 km2 (497.1 mi2), Rome is the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome Capital, with a population of 4.2 million, is the most populous metropolitan city in Italy.
Nicknamed "The Eternal City", Rome has an area of 1,285 km² and is home to 2.9 million people. Its history stretches back to 753 BC. Visitors come for Colosseum, Vatican City, Trevi Fountain, and much more. Getting around is easy with the Rome Metro.
Rome's special comune Roma Capitale spans 1,287 km2, making it the third most populous city in the EU within city limits
Dallas has a population density of 1,304 people per km² — a relatively spread-out city. Rome, with 2,233 people per km², is a moderately dense city. Rome is noticeably denser, packing 1.7 times more people per square kilometer.
Density Gap
Rome is 1.7x more densely populated
History
Rome is ~2,594 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).
Rome covers 1,285 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 km²).
The straight-line distance from Dallas to Rome is 9,018 km (5,603 miles), with an estimated flight time of ~11h 7m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.