City Map Compare/San Diego vs Washington D.C.
vs
5 km
|

San Diego

964 km²

Washington D.C.

177 km²

San Diego vs Washington D.C. - City Size Comparison

San Diego vs Washington D.C. - City Size Comparison

San Diego

United States

Area964 km²
Population1.39M
Density1,442 /km²
Elevation422 m
Founded1769
Washington D.C.

USA

Area177 km²
Population0.69M
Density3,898 /km²
Elevation22 m
Metro Pop.6.3M
Founded1790
Climatehumid subtropical

Area Comparison

San Diego is 5.4x larger than Washington D.C.

Population Comparison

San Diego has 2.0x more people than Washington D.C.

Is San Diego Bigger Than Washington D.C.?

Yes — San Diego is 5.4x larger than Washington D.C. by area. San Diego spans 964 km² (372 mi²) while Washington D.C. covers 177 km² (68 mi²) — a difference of 787 km². You could fit Washington D.C. inside San Diego approximately 5 times.

To put San Diego's size in perspective, its area of 964 km² is roughly the same size as Berlin. Meanwhile, Washington D.C. at 177 km² is roughly the same size as Washington D.C..

Picture San Diego another way: its area is large enough to fit about 135,000 American football fields, 16 times the area of Manhattan, or 9 times the area of Paris. For Washington D.C., that's about 25,000 American football fields, 88 times the area of Monaco, or 52 times the area of Central Park.

About San Diego

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.

Known as "America's Finest City", San Diego covers 964 km² with a population of 1.4 million. The city was established in 1769. San Diego is known for San Diego Zoo, Balboa Park, Coronado Beach, among other attractions.

San Diego sits directly on the Mexico-United States border, making it California's southwesternmost major city.

About Washington D.C.

Washington, D.C., officially the District of Columbia and commonly known as simply Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River across from Virginia and shares land borders with Maryland to its north and east. It was named after George Washington, a Founding Father and the first president of the United States.

Often called "D.C.", Washington D.C. has an area of 177 km² and is home to 0.7 million people. The city dates back to 1790. Visitors come for White House, U.S. Capitol, Lincoln Memorial, and much more. Getting around is easy with the Washington Metro.

Washington D.C. sits on the Potomac River across from Virginia and is bordered by Maryland to its north and east

Population Density

San Diego has a population density of 1,442 people per km² — a relatively spread-out city. Washington D.C., with 3,898 people per km², is a moderately dense city. Washington D.C. is noticeably denser, packing 2.7 times more people per square kilometer.

Key Differences at a Glance

Size Ratio

Washington D.C. fits inside San Diego ~5 times

Density Gap

Washington D.C. is 2.7x more densely populated

Cities Similar in Size to San Diego

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).

Cities Similar in Size to Washington D.C.

Washington D.C. covers 177 km². Cities with a similar urban footprint include Stockholm (188 km²), Brussels (161 km²), Buenos Aires (203 km²), Minneapolis (149 km²), or Helsinki (214 km²).

Related Comparisons

Frequently Asked Questions

Which is larger, San Diego or Washington D.C.?
San Diego is 5.4 times larger than Washington D.C. by area. San Diego covers 964 km² while Washington D.C. spans 177 km², a difference of 787 km².
How many times does Washington D.C. fit inside San Diego?
Washington D.C. (177 km²) fits inside San Diego (964 km²) approximately 5 times. That means San Diego is 5.4x the area of Washington D.C..
What is the population difference between San Diego and Washington D.C.?
San Diego has approximately 1.4 million people, while Washington D.C. has about 0.7 million. San Diego has 0.7 million more residents.
Which city is more densely populated, San Diego or Washington D.C.?
Washington D.C. is more densely populated with 3,898 people per km², compared to 1,442 people per km².
How does the map comparison work?
Our synchronized map comparison tool displays both cities at the same zoom level. When you zoom in or out on one map, the other automatically adjusts to maintain the same scale, allowing you to directly compare the relative sizes of both cities.
Can I compare other cities?
Yes! Use the city selectors at the top of the page to choose any two cities from our database of 50+ major cities worldwide, or enter custom coordinates for any location.

Distance Between San Diego and Washington D.C.

The straight-line distance from San Diego to Washington D.C. is 3,653 km (2,270 miles), with an estimated flight time of ~4h 48m.

Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.