San Francisco radius map at a glance
A 5 mile circle centered on Union Square is 10 miles across and covers about 79 sq mi (203 km²). It contains 5 towns, cities, and city districts with at least 15,000 residents; the largest apart from San Francisco itself is Bayview-Hunters Point, 4.4 mi to the S. The nearest separately listed town is Bayview-Hunters Point, 4.4 mi away.
San Francisco sits on a peninsula, so most circles drawn from Union Square spill into the bay or the Pacific. A point in Oakland can be inside a 10 mile circle yet need the Bay Bridge or BART to reach.
How far each radius reaches from central San Francisco
Each row counts the places with 15,000+ residents inside a circle of that size, and names the largest towns that first appear in that ring. Use it to choose a starting radius before you adjust the map.
| Radius | Area | Places inside | Largest new places in this ring |
|---|---|---|---|
| 5 mi (8.0 km) | 79 sq mi | 5 | Bayview-Hunters Point (4.4 mi S) |
| 10 mi (16 km) | 314 sq mi | 12 | Oakland (7.5 mi E), Berkeley (9.3 mi NE), Daly City (6.4 mi SW) |
| 25 mi (40 km) | 1,963 sq mi | 44 | Hayward (20 mi SE), Concord (24 mi NE), Vallejo (23 mi N) |
| 50 mi (80 km) | 7,854 sq mi | 78 | San Jose (42 mi SE), Fremont (28 mi SE), Santa Rosa (48 mi N) |
Counts include city districts that GeoNames lists separately. Straight-line distances from 37.7880, -122.4075.
Towns and cities within 25 miles of San Francisco
The 15 largest of the 39 towns and cities with at least 15,000 residents within 25 miles of Union Square. To list every place for your own center and radius, draw the circle above and open Towns and cities inside the circle.
| Place | Region | Distance | Population |
|---|---|---|---|
| Oakland | California | 7.5 mi E | 419,267 |
| Hayward | California | 20 mi SE | 158,289 |
| Concord | California | 24 mi NE | 128,667 |
| Vallejo | California | 23 mi N | 121,692 |
| Berkeley | California | 9.3 mi NE | 120,972 |
| Richmond | California | 11 mi N | 109,708 |
| Daly City | California | 6.4 mi SW | 106,562 |
| San Mateo | California | 16 mi S | 103,536 |
| San Leandro | California | 14 mi E | 90,712 |
| Redwood City | California | 23 mi SE | 85,288 |
| Alameda | California | 8.1 mi E | 78,630 |
| San Ramon | California | 23 mi E | 76,134 |
| Walnut Creek | California | 20 mi NE | 68,910 |
| South San Francisco | California | 9.2 mi S | 67,271 |
| Castro Valley | California | 19 mi E | 61,388 |
Population figures from GeoNames; census years and boundary definitions vary.
ZIP codes around San Francisco
How many US ZIP codes have their center point inside each radius from Union Square, and the counties that hold most of them. The map lists every ZIP inside your own circle under ZIP codes inside the circle, ready to copy or download; see the ZIP code radius map guide for how ZIP edges are handled.
| Radius | ZIP codes | Counties | Most ZIP codes in |
|---|---|---|---|
| 5 mi | 47 | 1 | City and County of San Francisco County (47) |
| 10 mi | 91 | 4 | City and County of San Francisco County (50), Alameda County (31), San Mateo County (7) |
| 25 mi | 208 | 6 | Alameda County (56), City and County of San Francisco County (50), Contra Costa County (37) |
Includes PO box and single-building ZIP codes. ZIP data from GeoNames (CC BY 4.0).
Distances to nearby major cities
The closest cities with more than 500,000 residents, measured in a straight line from Union Square. Road distances are longer.
| City | Direction | Miles | Kilometers |
|---|---|---|---|
| San Jose | SE | 42 mi | 67 km |
| Sacramento | NE | 74 mi | 119 km |
| Fresno | SE | 162 mi | 260 km |
| Los Angeles | SE | 348 mi | 559 km |
| Las Vegas | E | 416 mi | 670 km |
| San Diego | SE | 458 mi | 738 km |
A comparison to try
Compare a Union Square office with candidate sites in the Mission District and Oakland using equal circles, then check which bridge or transit line links them.
- Choose one of the place shortcuts above, then select a search result to move your circle.
- Set a distance in miles, or switch units without changing the circle’s size.
- Choose Add circle, then search the next location to move the new circle there.
- Give the circles different labels and colors, then choose Fit all circles to see their overlap.
Choose the right center
The map starts at Union Square (37.7880, -122.4075). Water counts toward the circle’s area, so a San Francisco circle covers far less land than an inland circle of the same size.
The place shortcuts run a search; they are not neighborhood outlines or claims that a whole neighborhood is inside your circle.
Keep your San Francisco map
Your draft saves in this browser. Share creates a snapshot link. Export a map project to reopen your circles on another device, KML for Google Earth, GeoJSON for GIS software, CSV for a spreadsheet, or a PNG image for a report.
Frequently asked questions
How big is a 5 mile radius around San Francisco?
A 5 mile radius is 10 miles across and covers about 79 sq mi (203 km²), including any water inside the circle. Measured from Union Square, it contains 5 listed towns, cities, and city districts with at least 15,000 residents.
How many towns and cities are within 25 miles of San Francisco?
39 towns and cities with at least 15,000 residents lie within 25 straight-line miles of Union Square. The largest are Oakland, Hayward, Concord. City districts listed separately in the data are not counted here.
What is the nearest large city to San Francisco?
San Jose is the nearest city with more than 500,000 residents (outside San Francisco itself), about 42 mi (67 km) to the SE in a straight line.
How many ZIP codes are within 5 miles of San Francisco?
47 ZIP codes have their center point within 5 miles of Union Square, in City and County of San Francisco County. Scroll to ZIP codes inside the circle under the map to list, copy, or download them for any center and radius.
Does a radius around San Francisco follow roads?
No. The circle shows straight-line distance from the center in every direction. Water counts toward the circle’s area, so a San Francisco circle covers far less land than an inland circle of the same size.
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