How Big Is San Diego?
San Diego covers approximately 844 square kilometers (326 square miles). It is a city in United States, located in California. That's roughly the same size as New York City.
San Diego on the Map
San Diego's Geography
San Diego is a city in United States, in the state of California. Drag it across the map above to see its footprint over any country, state, or city.
How Far Across Is San Diego?
San Diego stretches approximately 64 km (40 mi) from north to south — roughly the length of Lake Tahoe, and 35 km (22 mi) from east to west.
Similar in Size
How Big Is San Diego Compared to Well-Known Places?
| Place | Area | vs San Diego |
|---|---|---|
| Boston | 124 km² (48 sq mi) | 7× smaller |
| Montreal | 432 km² (167 sq mi) | 49% smaller |
| Toronto | 630 km² (243 sq mi) | 25% smaller |
| New York City | 781 km² (302 sq mi) | about the same size |
| San Diego | 844 km² (326 sq mi) | — |
| Los Angeles | 1,215 km² (469 sq mi) | 44% larger |
| London | 1,572 km² (607 sq mi) | 86% larger |