Cairo
3,085 km²
Houston
1,725 km²
Egypt
United States
Area Comparison
Cairo is 1.8x larger than Houston
Population Comparison
Cairo has 4.4x more people than Houston
In terms of area, Cairo is 1.8x the size of Houston. Cairo spans 3,085 km² (1,191 mi²) while Houston covers 1,725 km² (666 mi²) — a difference of 1,360 km².
To put Cairo's size in perspective, its area of 3,085 km² is about 1.2x the size of Luxembourg. Meanwhile, Houston at 1,725 km² is roughly the same size as London.
Picture Cairo another way: its area is large enough to fit about 432,000 American football fields, 52 times the area of Manhattan, or 29 times the area of Paris. For Houston, that's about 242,000 American football fields, 29 times the area of Manhattan, or 16 times the area of Paris.
Cairo is the capital and largest city of Egypt and the Cairo Governorate. It is home to more than 9.8 million people. It is also part of the largest urban agglomeration in Africa, the Arab world, and the Middle East. The Greater Cairo metropolitan area is one of the largest in the world by population with over 22 million people. Areas of what would become Cairo were inhabited from pre-dynastic and early-dynastic ancient Egypt c.
Known as "The City of a Thousand Minarets", Cairo covers 3,085 km² with a population of 10.1 million. The city was established in 969. Cairo is known for Pyramids of Giza, Great Sphinx, Egyptian Museum, among other attractions. The city's main transit system is the Cairo Metro.
Cairo is home to more than 9.8 million people and is part of the largest urban agglomeration in Africa and the Arab world.
Houston is the most populous city in the U.S. state of Texas and the Southern United States. It is the fourth-most populous city in the United States, with a population of 2.3 million at the 2020 census. The Greater Houston metropolitan area, at 7.8 million residents, is the fifth-most populous metropolitan area in the nation and second-most populous in Texas. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, Houston is the county seat of Harris County.
Nicknamed "Space City", Houston has an area of 1,725 km² and is home to 2.3 million people. Its history stretches back to 1836. Visitors come for NASA Johnson Space Center, Space Center Houston, Houston Astros, and much more.
Houston is the fourth-most populous US city with 2.3 million residents at the 2020 census, leading the entire South.
Cairo has a population density of 3,274 people per km² — a moderately dense city. Houston, with 1,333 people per km², is a relatively spread-out city. Cairo is noticeably denser, packing 2.5 times more people per square kilometer.
Density Gap
Cairo is 2.5x more densely populated
History
Cairo is ~867 years older
Cairo covers 3,085 km². Cities with a similar urban footprint include Hanoi (3,359 km²), Karachi (3,527 km²), Lima (2,672 km²), Moscow (2,511 km²), or Cape Town (2,455 km²).
Houston covers 1,725 km². Cities with a similar urban footprint include Riyadh (1,798 km²), Johannesburg (1,644 km²), Bogotá (1,578 km²), London (1,572 km²), or Bangkok (1,569 km²).
The straight-line distance from Cairo to Houston is 11,288 km (7,014 miles), with an estimated flight time of ~13h 47m.
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