Dallas
997 km²
Oslo
454 km²
United States
Norway
Area Comparison
Dallas is 2.2x larger than Oslo
Population Comparison
Dallas has 1.8x more people than Oslo
Dallas is significantly larger, covering 2.2 times the area of Oslo. Dallas spans 997 km² (385 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 543 km². You could fit Oslo inside Dallas approximately 2 times.
To put Dallas's size in perspective, its area of 997 km² is about 1.1x the size of Berlin. Meanwhile, Oslo at 454 km² is about 1.3x smaller than Seoul.
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. Oslo works out to about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan.
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.
Oslo is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 724,290 in 2025, while the city's greater urban area had a population of 1,110,887 in 2025, and the metropolitan area had an estimated population of 1,546,706 in 2021.
Also known as "Tigerstaden", Oslo has an area of 454 km² and is home to 0.7 million people. The city dates back to 1048. Visitors come for Vigeland Park, Oslo Opera House, Akershus Fortress, and much more.
Oslo is both a county and a municipality, with the city itself home to about 724,000 residents in 2025.
Dallas has a population density of 1,304 people per km² — a relatively spread-out city. Oslo, with 1,586 people per km², is a relatively spread-out city. Both cities have comparable density, though Oslo is slightly more compact.
Size Ratio
Oslo fits inside Dallas ~2 times
History
Oslo is ~793 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).
Oslo covers 454 km². Cities with a similar urban footprint include Prague (496 km²), Vienna (415 km²), Montreal (498 km²), Denver (401 km²), or Warsaw (517 km²).
The straight-line distance from Dallas to Oslo is 7,788 km (4,839 miles), with an estimated flight time of ~9h 40m.
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