Radius Map of San Antonio

The map above is centered on San Antonio, United States, near The Alamo & River Walk, with a default 12 mi radius. Drag to move it, search for a different address, or change the radius and unit using the controls.

A 12-mile radius from The Alamo and River Walk reaches the inner suburbs immediately north (Alamo Heights, Castle Hills, Leon Valley) and northeast (toward Universal City area), the revitalized Pearl and Southtown districts to the south, and the inner edges of suburban development to the northwest—but misses outer suburbs like Schertz, Live Oak, and Converse. San Antonio's sprawl means a small radius covers less than you'd expect in denser cities; use the drive-time map to understand real commute patterns.

Population: 1.4 million
Country: United States
Coordinates: 29.4252, -98.4946
Time zone: America/Chicago

San Antonio sprawls across 500+ square miles of flat terrain ringed by Loop 410 and Loop 1604, making it one of the largest US cities by area—a 12-mile radius from The Alamo reaches the inner suburbs including Alamo Heights and Castle Hills, while Loop 1604 (the outer beltway) traces roughly 15-20 miles from downtown in most directions.

Also known as: SA, San Antone, Alamo City, Military City USA.

What's within each radius from The Alamo & River Walk

Real coverage at the most-searched radii, including notable places that fall just outside the circle. Use these as ground truth before relying on a circle for real-estate, retail, or service-area decisions.

5 miles from The Alamo & River Walk

A 5-mile radius from The Alamo covers the downtown River Walk area, Southtown's historic King William district and revitalized Pearl Brewery district, and the northern inner core reaching Olmos Park and the start of the Northside residential areas.

Inside the circle

✓River Walk and downtown
✓Southtown and King William historic district
✓Pearl Brewery District
✓Olmos Park (separate municipality)
✓Monte Vista
✓The Majestic Theatre, Pearl, and historic downtown neighborhoods

Just outside

✗Alamo Heights (just past at ~7 miles north)
✗Loop 410 in most directions
✗Boerne (~30 miles northwest)
✗Converse (~16 miles southeast)

10 miles from The Alamo & River Walk

A 10-mile radius reaches Alamo Heights to the north, most Northside neighborhoods, crosses northeast toward Universal City (at edge), and covers the southeastern suburbs. Much of this area falls within Loop 410, the inner beltway.

Inside the circle

✓Alamo Heights (upscale north)
✓Castle Hills (north)
✓Shavano Park area
✓Balcones Heights (northeast)
✓Most Northside and Northeast residential
✓Eastern industrial areas

Just outside

✗Universal City (at ~14 miles northeast)
✗Schertz (~16 miles northeast)
✗Boerne (~30 miles northwest)
✗Loop 1604 outer ring
✗New Braunfels (~37 miles south)
✗Converse (~16 miles southeast)

12 miles (default) from The Alamo & River Walk

The default 12-mile radius is where San Antonio's urban core ends and the outer suburbs begin. This circle reaches into the inner suburban fringe to the northwest, grazes Universal City to the northeast, and approaches Converse to the southeast. Most of Loop 410's inner ring falls inside this circle.

Inside the circle

✓Castle Hills and north suburbs
✓Alamo Heights
✓Most North and Northeast Loop 410 inner suburbs
✓Inner suburban development in all directions

Just outside

✗Boerne (~30 miles northwest—gateway to Hill Country)
✗Schertz (~16 miles northeast)
✗Converse (~16 miles southeast)
✗Live Oak (~16 miles southeast)
✗Kerrville (~61 miles northwest)
✗Wimberley (~34 miles north)
✗San Marcos (~46 miles north)
✗Gruene (~28 miles north)
✗Blanco (~47 miles north)

25 miles from The Alamo & River Walk

A 25-mile radius extends well beyond the immediate suburbs and reaches toward the Hill Country approaches to the northwest and north. Most of Loop 1604 (the outer beltway) falls inside this circle. To the southeast, the radius covers much of the metropolitan outer edge; to the northeast, it approaches Schertz area.

Inside the circle

✓All inner suburbs and Loop 410 corridor
✓Schertz (~16 miles northeast)
✓Universal City (~14 miles northeast)
✓Live Oak (~16 miles southeast)
✓Converse (~16 miles southeast)
✓Bulverde (~24 miles north)
✓Outer reaches of suburban sprawl visible from downtown

Just outside

✗Boerne (~30 miles northwest)
✗Wimberley (~34 miles north)
✗Gruene (~28 miles north—just outside)
✗San Marcos (~46 miles north)
✗Blanco (~47 miles north)
✗New Braunfels (~37 miles south)
✗Austin direction (too far)
✗Corpus Christi direction (too far)

50 miles from The Alamo & River Walk

A 50-mile radius from The Alamo extends into the upper Hill Country and reaches toward regional destinations. This captures San Antonio's regional influence zone and includes most major Hill Country towns and nearby metros that are weekend/regional destinations or within the broader metro commute shed.

Inside the circle

✓All of San Antonio metro and inner suburbs
✓Hill Country towns (Boerne at ~30 miles, Wimberley at ~34 miles)
✓San Marcos (~46 miles north—outer edge)
✓Blanco (~47 miles north—outer edge)
✓Most of Loop 1604 outer suburbs
✓New Braunfels (~37 miles south)
✓Bulverde (~24 miles north)
✓Regional shopping and recreation destinations

Just outside

✗Austin (~74 miles north)
✗Corpus Christi proper (~145 miles south)
✗Johnson City (~59 miles—outer edge)
✗Kerrville (~61 miles northwest—just outside)
✗Fort Davis or far west Texas
✗Oklahoma

How San Antonio radius maps get used

City-specific scenarios where a radius is the right tool — and the typical radius sizes professionals use.

Military family home search and relocation

San Antonio is home to multiple military bases (Fort Sam Houston, Lackland, Randolph, etc.). Service members and families typically search for homes within a 15-20 minute commute radius using the drive-time map, but start by drawing a 10-15 mile straight-line radius from their duty station to narrow neighborhoods before checking commute times.

Typical radius: 10–15 miles straight-line, then validate with drive-time from base

Hill Country destination retail and tourism planning

San Antonio is the southern gateway to the Hill Country wine country and outdoor recreation. Boerne (~30 miles) and Wimberley (~34 miles) are popular destinations but require 40+ minute drives. Destination businesses draw customers from the 25-50 mile radius who are willing to drive 45+ minutes for experience.

Typical radius: 25–50 miles from downtown (Boerne, Wimberley in 25–35 mile range)

Medical and healthcare service area coverage

Major hospital systems (Texas Health, Methodist, CHRISTUS) use 10-15 mile radius service areas for primary care and emergency services, extending to 25+ miles for specialty centers. The sprawl means a 10-mile radius doesn't cover as many people as it would in denser metros.

Typical radius: 10 miles (primary care), 15–20 miles (regional hospitals)

Restaurant and food delivery coverage zones

San Antonio restaurants rarely deliver past 5 miles because of sprawl and traffic patterns. Upscale/destination dining can justify 8-10 miles; casual neighborhood spots cap at 3-5 miles. The city's car-centric layout means delivery speed is highly dependent on freeway access, not just distance.

Typical radius: 3–5 miles (neighborhood), 5–10 miles (destination dining)

Geographic quirks of San Antonio radius mapping

Local geography and infrastructure that change how a radius behaves here. Skipping these is the most common reason a radius decision goes sideways.

A tiny radius covers disproportionately little

San Antonio's sprawl is deceptive. A 5-mile radius in a denser city like New York or Chicago is a serious commute; in San Antonio, it barely covers the downtown tourist zones and one or two upscale neighborhoods. Loop 410 (the inner beltway) traces roughly 14-18 miles from downtown, so radii smaller than 12 miles rarely capture a 'whole city experience' the way they do in more compact metros.

The northwest is the Hill Country; the rest is urban/suburban sprawl

Draw any radius and you'll notice the asymmetry: northwest toward the Hill Country is green and rolling (Boerne is ~30 miles out, Wimberley ~34 miles); northeast, east, and south are the flat sprawl of subdivisions, strip malls, and commercial corridors. Even at 50 miles, the Hill Country is always the interesting direction from San Antonio.

Multiple military bases mean government employment concentrates in predictable zones

Fort Sam Houston (inner north), Lackland, Randolph, and other bases create concentric employment zones that overlap 8-15 mile radii from downtown. Military families and contractors famously avoid the reverse-commute traffic patterns that result, making distance-as-the-crow-flies misleading for this metro's biggest employment sector. Always check drive-time to specific bases.

FAQ — Radius mapping in San Antonio

How big is a 12-mile radius in San Antonio?

A 12-mile radius from The Alamo reaches Alamo Heights and Castle Hills to the north, approaches Universal City to the northeast, and covers much of the inner suburban ring roughly following Loop 410. In a denser city, this would be suburban edge; in San Antonio's sprawl, it's the transition between the inner core and outer suburbs. Boerne (the Hill Country gateway) is ~30 miles away, well outside this radius.

What's within 5 miles of downtown San Antonio?

A 5-mile radius covers downtown, the River Walk, Southtown's King William historic district, the revitalized Pearl Brewery area, Olmos Park, and the inner Northside residential neighborhoods. You're still firmly in the urban core and historic zones—this doesn't yet reach most suburbs.

Is Boerne within 12 miles of downtown San Antonio?

No. Boerne is approximately 30 miles northwest of The Alamo—well outside a 12-mile radius. It is the primary gateway to the Hill Country and requires a 40+ minute drive from downtown. Boerne falls within a 25-50 mile radius, not the 12-mile default.

Why is San Antonio sprawl so different from other big US cities?

San Antonio grew outward on flat terrain with fewer geographic barriers (compared to cities hemmed by mountains or water), and the city limits incorporated vast areas. A 10-mile radius in San Antonio reaches far fewer people than a 10-mile radius in New York or Chicago because the population density is lower. Loop 410 and Loop 1604 beltways define the sprawl pattern much more visibly than in most metros.

What's the best radius for finding a home close to military bases?

Start with a 10-15 mile straight-line radius from your duty station (Fort Sam, Lackland, Randolph, etc.) to see possible neighborhoods, then validate with a drive-time map at realistic commute hours. The base locations are scattered around the metro, so there's no single 'military zone'—distance alone is misleading. The drive-time map is essential in San Antonio because of traffic patterns and freeway-dependent routes.

How far is it to the Hill Country from downtown San Antonio?

Boerne (the primary Hill Country gateway) is approximately 30 miles northwest and requires a 40+ minute drive. Wimberley, another popular destination, is about 34 miles north. A 12-mile radius does not reach the Hill Country; a 25-mile radius still misses most Hill Country destinations. Use a 25-50 mile radius or drive-time map for Hill Country planning.

What suburbs fall within a 25-mile radius of downtown?

A 25-mile radius includes all inner suburbs (Loop 410 and adjacent areas), Universal City (~14 miles), Schertz (~16 miles), Live Oak and Converse (~16 miles), Bulverde (~24 miles), and much of the suburban sprawl. To the northwest, it approaches but does not quite reach Boerne (~30 miles). This is roughly the 'metropolitan commute zone' but not yet the Hill Country destinations.