Dubai
4,114 km²
San Diego
964 km²
UAE
United States
Area Comparison
Dubai is 4.3x larger than San Diego
Population Comparison
Dubai has 2.4x more people than San Diego
In terms of area, Dubai is 4.3x the size of San Diego. Dubai spans 4,114 km² (1,588 mi²) while San Diego covers 964 km² (372 mi²) — a difference of 3,150 km². You could fit San Diego inside Dubai approximately 4 times.
To put Dubai's size in perspective, its area of 4,114 km² is roughly the same size as Rhode Island. Meanwhile, San Diego at 964 km² is roughly the same size as Berlin.
Dubai's footprint is roughly about 576,000 American football fields, 70 times the area of Manhattan, or 39 times the area of Paris — pick whichever unit feels intuitive. San Diego, by comparison, equals about 135,000 American football fields, 16 times the area of Manhattan, or 9 times the area of Paris.
Dubai is the most populous city in the United Arab Emirates and the capital of the Emirate of Dubai. It is on a creek on the southeastern coast of the Persian Gulf. As of 2025, its population stands at 4 million, 92% of whom are expatriates. The wider urban area includes Sharjah and has a population of 5 million people as of 2023, while the Dubai–Sharjah–Ajman metropolitan area has a population of 6 million people.
Known as "City of Gold", Dubai covers 4,114 km² with a population of 3.3 million. The city was established in 1833. Dubai is known for Burj Khalifa, Palm Jumeirah, Dubai Mall, among other attractions. The city's main transit system is the Dubai Metro.
Dubai's population reached 4 million in 2025, with 92% of residents being expatriates rather than UAE nationals.
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. The city dates 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.
Dubai has a population density of 809 people per km² — a relatively spread-out city. San Diego, with 1,442 people per km², is a relatively spread-out city. San Diego is noticeably denser, packing 1.8 times more people per square kilometer.
Size Ratio
San Diego fits inside Dubai ~4 times
Density Gap
San Diego is 1.8x more densely populated
Dubai covers 4,114 km². Cities with a similar urban footprint include Karachi (3,527 km²), Hanoi (3,359 km²), Istanbul (5,461 km²), Cairo (3,085 km²), or Lima (2,672 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 Dubai to San Diego is 13,525 km (8,404 miles), with an estimated flight time of ~16h 25m.
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