How far is San Antonio, TX from Selma, TX?

The driving distance from San Antonio, TX to Selma, TX is about 18 miles (29 km), with a travel time of about 00h 23m by car.

  • The straight-line flight distance is about 15.8 miles (25.5 km).
  • For a round trip, plan for roughly 00h 47m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
18.03 mi
00h 23m
Flight
15.81 mi
25.45 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from San Antonio.

Flight Distance

Direct air line
15.81 mi
Kilometers
25.45 km
Flight Time
00h 01m

Driving Distance

Road route
18.03 mi
Kilometers
29.01 km
Drive Time
00h 23m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 00h 23m.

Arrival Snapshot
Arrive in Selma
Thu, Apr 23, 12:47 AM CDT
Return by in San Antonio
Thu, Apr 23, 1:11 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-04-23T00:23
Arrive Selma
Thu, Apr 23, 12:47 AM CDT
Route Timing
00h 23m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:24 AM to 7:24 PM CDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:42 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in San Antonio
10:00 PM CDT
Flexible departure

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Windcrest
TX

City in Bexar County, Texas, United States

From San Antonio
9 mi
00h 11m
To Selma
9 mi
00h 11m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph SSE
Destination
84°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 15 mph S

Driving Route Map

The map below follows the saved road route between San Antonio and Selma.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Antonio and Selma.

  1. 1

    Start on Dolorosa Street

    44 m · 5 sec · Dolorosa Street

  2. 2

    Continue on West Market Street

    1893 ft · 42 sec · West Market Street

  3. 3

    Continue on East Market Street

    2143 ft · 46 sec · East Market Street

  4. 4

    Turn left

    111 m · 13 sec

  5. 5

    Turn straight onto East Commerce Street

    66 m · 13 sec · East Commerce Street

  6. 6

    Take the ramp sharp left toward US 281 North, I 37 North

    1159 ft · 28 sec

  7. 7

    Merge slight left onto William J Bordelon Freeway

    1.3 km · 56 sec · William J Bordelon Freeway

  8. 8

    Take the exit slight right toward I 35 North: Austin

    2907 ft · 1 min

  9. 9

    Merge slight left onto North Pan Am Expressway

    8.2 mi · 10 min · North Pan Am Expressway

  10. 10

    Keep slight left to continue on North Pan Am Expressway

    6.6 mi · 8 min · North Pan Am Expressway

  11. 11

    Take the exit slight right toward FM 1518: Selma, Schertz

    1604 ft · 39 sec

  12. 12

    Turn straight onto Interstate 35 North

    77 m · 5 sec · Interstate 35 North

  13. 13

    Continue on Interstate 35 North

    1777 ft · 38 sec · Interstate 35 North

  14. 14

    Turn left onto North Evans Road

    81 m · 7 sec · North Evans Road

  15. 15

    Arrive at your destination

    0 m · 1 sec · North Evans Road

Car Route Details

A richer read on the saved driving route between San Antonio and Selma.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
15 steps
4 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
83.3 / 100 mi
Decision points by distance
Main Roads
North Pan Am Expressway
14.8 mi · 82%
William J Bordelon Freeway
0.78 mi · 4%
I 35 North
0.55 mi · 3%
East Market Street
0.41 mi · 2%
Interstate 35 North
0.38 mi · 2%
West Market Street
0.36 mi · 2%
Longest Stretch

North Pan Am Expressway

Merge slight left onto North Pan Am Expressway

8.24 mi · 00h 10m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 23m
Quick drive
Same-Day Return
00h 48m
Round-trip wheel time
Road vs Air
+2.2 mi
15.8 mi direct line
Halfway Stop
Windcrest
00h 11m from San Antonio
Leave By
7:42 PM CDT
Flexible departure
Weather Watch

Mostly Cloudy leaving San Antonio and Mostly Cloudy near Selma.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Antonio to Selma?

The road trip is about 18 miles (29 km) and usually takes 00h 23m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Windcrest is a useful midpoint, sitting about 9 miles from San Antonio and 9 miles from Selma.

How much longer is the road route than the straight-line distance?

The direct path is about 15.8 miles (25.5 km), while the road route adds roughly 2.2 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:42 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.42 one way or $4.84 round trip. Estimated CO2 is about 5.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around San Antonio and Mostly Cloudy near Selma.

Stop Ideas Near Windcrest

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Windcrest and the surrounding midpoint area.
Piazza Italia Park
Scenic stop 7.4 mi away

Piazza Italia Park

San Antonio , TX
500 Columbus St, San Antonio, TX 78207
Rating 4.0/5 70 reviews Tourist attraction,Park
Schertz EMS
Practical stop 9.3 mi away

Schertz EMS

Schertz , TX
City Hall, 1400 Schertz Pkwy #7, Schertz, TX 78154
Rating 4.4/5 9 reviews City government office,Ambulance service
Converse City Hall
Meeting point 5.6 mi away

Converse City Hall

Converse , TX
406 S Seguin Rd, Converse, TX 78109
Rating 3.7/5 15 reviews City government office,Local government office,City Hall
Municipal Plaza
Nearby stop 7.4 mi away

Municipal Plaza

San Antonio , TX
114 W Commerce St, San Antonio, TX 78205
Rating 4.4/5 34 reviews Plaza

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Windcrest.

RAIL

San Antonio Station

14 mi away
350 Hoefgen Street
RAIL

San Marcos Station

59 mi away
338 South Guadalupe St.
RAIL

Austin

103 mi away
250 North Lamar Blvd.

Flight Path Map

This map shows the direct air route between San Antonio and Selma. Straight-line distance: 15.81 mi (25.45 km).

San Antonio

#1 San Antonio

The seventh most populous city in the United States and the center of the San Antonio metropolitan area.

Population1,567,118
Coordinates29.4241200, -98.4936300
Altitude198
CountryUnited States
Selma

#2 Selma

City in Bexar County, Texas, United States

Population13,130
Coordinates29.5843900, -98.3058500
Altitude230
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Selma (-98.30585, 29.58439)

Estimated Travel Time

Distance: 29 km by road

SpeedTime
30 mph (48.3 km/h)00h 36m
40 mph (64.37 km/h)00h 27m
50 mph (80.47 km/h)00h 21m
60 mph (96.56 km/h)00h 18m
70 mph (112.65 km/h)00h 15m
80 mph (129 km/h)00h 13m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.64 gal
2.41 L · about $2.42
Round trip
$4.84
1.28 gal · 4.82 L
Estimated CO2
5.7 kg one way
Round trip: 11.4 kg / 25 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $2.42 $4.84
Mid-grade $4.25 $2.72 $5.44
Premium $4.59 $2.94 $5.88
Diesel $3.99 $2.56 $5.11

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Texas · Apr 23, 2026

There is no time difference between San Antonio and Selma. The current time is 00:23:38.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.