Map of San Diego, United States

San Diego is a city in California, United States, with a population of about 1,404,452. It lies at 32.7157°N, 117.1647°W, about 20 m above sea level. San Diego is about 3,653 km (2,270 mi) west of Washington, D.C., the capital. The nearest city on our map is National City, 7 km to the southeast.

San Diego at a glance

Where is San Diego?

• The 11th largest city in United States by recorded population.
• The 2nd largest city in California on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 10 h 00 min on the shortest day to 14 h 18 min on the longest day (around 21 December and 21 June).

Cities near San Diego

• National City — 7 km southeast
• Chula Vista — 11 km southeast
• La Mesa — 14 km northeast
• La Presa — 16 km east
• El Cajon — 21 km northeast
• Santee — 22 km northeast
• Tijuana — 28 km southeast, Mexico
• Poway — 30 km northeast
• Pórticos de San Antonio — 33 km south, Mexico
• Encinitas — 38 km north

Largest cities in California

• Los Angeles — 3,820,914
• San Jose — 997,368
• San Francisco — 827,526
• Fresno — 542,107
• Sacramento — 524,943
• Long Beach — 474,140
• Oakland — 419,267
• Bakersfield — 373,640
• Anaheim — 350,742
• Riverside — 317,261

Largest cities in United States

• New York City — 8,804,190
• Los Angeles — 3,820,914
• Brooklyn — 2,736,074
• Chicago — 2,664,452
• Queens — 2,316,841
• Houston — 2,314,157
• Phoenix — 1,650,070
• Philadelphia — 1,573,916
• San Antonio — 1,526,656
• Manhattan — 1,487,536

Map of United States and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.