Karachi
3,527 km²
San Diego
964 km²
Pakistan
United States
Area Comparison
Karachi is 3.7x larger than San Diego
Population Comparison
Karachi has 10.7x more people than San Diego
Yes — Karachi is 3.7x larger than San Diego by area. Karachi spans 3,527 km² (1,362 mi²) while San Diego covers 964 km² (372 mi²) — a difference of 2,563 km². You could fit San Diego inside Karachi approximately 3 times.
To put Karachi's size in perspective, its area of 3,527 km² is about 1.1x smaller than Rhode Island. Meanwhile, San Diego at 964 km² is roughly the same size as Berlin.
In more relatable units, Karachi's 3,527 km² is about 494,000 American football fields, 60 times the area of Manhattan, or 33 times the area of Paris. For San Diego, that's about 135,000 American football fields, 16 times the area of Manhattan, or 9 times the area of Paris.
Karachi is the capital city of the province of Sindh, Pakistan. It is the largest city in Pakistan and 12th largest in the world, with a population of over 20 million. It is situated at the southern tip of the country along the Arabian Sea coast and formerly served as the country's capital from 1947 to 1959. Ranked as a beta-global city, it is Pakistan's premier industrial and financial centre, with an estimated GDP of over $200 billion (PPP) as of 2021.
Known as "City of Lights", Karachi covers 3,527 km² with a population of 14.9 million. The city was established in 1729. Karachi is known for Port of Karachi, Mazar-e-Quaid mausoleum, Clifton Beach, among other attractions.
Karachi is Pakistan's largest city and the 12th largest in the world, with a population of over 20 million.
San Diego is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. It is the eighth-most populous city in the U.S. and second-most populous city in California with a population of over 1.4 million, while the San Diego metropolitan area with over 3.3 million residents is the 18th-largest metropolitan area in the country. San Diego is the county seat of San Diego County.
Nicknamed "America's Finest City", San Diego has an area of 964 km² and is home to 1.4 million people. Its history stretches back to 1769. Visitors come for San Diego Zoo, Balboa Park, Coronado Beach, and much more.
San Diego sits directly on the Mexico-United States border, making it California's southwesternmost major city.
Karachi has a population density of 4,227 people per km² — a moderately dense city. San Diego, with 1,442 people per km², is a relatively spread-out city. Karachi is noticeably denser, packing 2.9 times more people per square kilometer.
Size Ratio
San Diego fits inside Karachi ~3 times
Density Gap
Karachi is 2.9x more densely populated
Karachi covers 3,527 km². Cities with a similar urban footprint include Hanoi (3,359 km²), Cairo (3,085 km²), Dubai (4,114 km²), Lima (2,672 km²), or Moscow (2,511 km²).
San Diego covers 964 km². Cities with a similar urban footprint include Abu Dhabi (972 km²), Dallas (997 km²), Berlin (892 km²), Santiago (838 km²), or Hong Kong (1,114 km²).
The straight-line distance from Karachi to San Diego is 13,598 km (8,449 miles), with an estimated flight time of ~16h 30m.
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