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

The driving distance from San Antonio, TX to Texarkana, TX is about 451.1 miles (726 km), with a travel time of about 07h 58m by car.

  • The straight-line flight distance is about 380.9 miles (613 km).
  • For a round trip, plan for roughly 15h 57m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
451.11 mi
07h 58m
Flight
380.87 mi
612.95 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from San Antonio.

Flight Distance

Direct air line
380.87 mi
Kilometers
612.95 km
Flight Time
00h 45m

Driving Distance

Road route
451.11 mi
Kilometers
725.99 km
Drive Time
07h 58m

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 07h 58m.

Arrival Snapshot
Arrive in Texarkana
Tue, May 5, 4:40 AM CDT
Return by in San Antonio
Tue, May 5, 12:39 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-05-04T20:41
Arrive Texarkana
Tue, May 5, 4:40 AM CDT
Route Timing
07h 58m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
1:59 PM to 3:29 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
8:02 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in San Antonio
8:00 PM CDT
Overnight-style route

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
Milford
TX

Town in Ellis County, Texas, United States of America

From San Antonio
225.7 mi
03h 59m
To Texarkana
225.4 mi
03h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Monday

Mostly Sunny

Starts
Mon, May 4 6:00 AM CDT
Wind
5 to 10 mph S
Destination
80°F
Monday

Mostly Sunny

Starts
Mon, May 4 6:00 AM CDT
Wind
5 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    7.4 mi · 8 min · North Pan Am Expressway

  11. 11

    Continue on Purple Heart Trail

    11.9 mi · 13 min · Purple Heart Trail

  12. 12

    Continue on Interstate Highway 35

    1.9 mi · 2 min · Interstate Highway 35

  13. 13

    Continue on Purple Heart Trail

    47.8 mi · 52 min · Purple Heart Trail

  14. 14

    Keep slight right to continue on Purple Heart Trail

    95.6 mi · 1 hr 40 min · Purple Heart Trail

  15. 15

    Continue on South Jack Kultgen Expressway

    6.6 mi · 8 min · South Jack Kultgen Expressway

  16. 16

    Continue on Purple Heart Trail

    33 mi · 33 min · Purple Heart Trail

  17. 17

    Keep slight right to continue on I 35E: Dallas

    56.2 mi · 58 min

  18. 18

    Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street

    2094 ft · 42 sec

  19. 19

    Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana

    129 m · 6 sec

  20. 20

    Keep slight right to continue on I 30 East: Texarkana, Convention Center

    2206 ft · 33 sec

  21. 21

    Keep slight left to continue on I 30 East: Texarkana

    117 m · 6 sec

  22. 22

    Continue on East R L Thornton Freeway

    7.5 mi · 9 min · East R L Thornton Freeway

  23. 23

    Keep slight left to continue on East R L Thornton Freeway

    167.2 mi · 2 hr 51 min · East R L Thornton Freeway

  24. 24

    Take the exit slight right toward FM 559: Richmond Road

    1742 ft · 42 sec

  25. 25

    Turn straight onto Mall Drive

    972 ft · 19 sec · Mall Drive

  26. 26

    Continue on Mall Drive

    1079 ft · 23 sec · Mall Drive

  27. 27

    Turn right onto Richmond Road

    1.6 mi · 3 min · Richmond Road

  28. 28

    Turn right onto Summerhill Road

    1.2 mi · 2 min · Summerhill Road

  29. 29

    Continue on North Lake Drive

    109 m · 14 sec · North Lake Drive

  30. 30

    Turn left onto West 7th Street

    1.3 km · 1 min · West 7th Street

  31. 31

    Arrive at your destination

    0 m · 1 sec · West 7th Street

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
31 steps
6 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
6.9 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
188 mi · 42%
East R L Thornton Freeway
175 mi · 39%
I 35E
56.2 mi · 12%
North Pan Am Expressway
15.6 mi · 3%
South Jack Kultgen Expressway
6.63 mi · 1%
Interstate Highway 35
1.93 mi
Longest Stretch

East R L Thornton Freeway

Keep slight left to continue on East R L Thornton Freeway

167 mi · 02h 51m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 58m
Overnight route
Same-Day Return
15h 58m
Round-trip wheel time
Road vs Air
+70.2 mi
380.9 mi direct line
Halfway Stop
Milford
03h 59m from San Antonio
Leave By
8:02 PM CDT
Overnight-style route
Weather Watch

Mostly Sunny leaving San Antonio and Mostly Sunny near Texarkana.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 451.1 miles (726 km) and usually takes 07h 58m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Milford is a useful midpoint, sitting about 225.7 miles from San Antonio and 225.4 miles from Texarkana.

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

The direct path is about 380.9 miles (613 km), while the road route adds roughly 70.2 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $60.16 one way or $120.32 round trip. Estimated CO2 is about 141.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around San Antonio and Mostly Sunny near Texarkana.

Stop Ideas Near Milford

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 Milford and the surrounding midpoint area.
Historic City Hall
Scenic stop 13.5 mi away

Historic City Hall

Hillsboro , TX
127/129 E Franklin St, Hillsboro, TX 76645
Rating 4.6/5 24 reviews Museum
Frost City Hall
Meeting point 9.4 mi away

Frost City Hall

Frost , TX
100 Garitty St, Frost, TX 76641
Rating 4.3/5 3 reviews City government office
Town Hall Estates Hillsboro
Nearby stop 12.1 mi away

Town Hall Estates Hillsboro

Hillsboro , TX
300 Happy Ln, Hillsboro, TX 76645
Rating 4.1/5 14 reviews Non-profit organization,Nursing home,Occupational therapist,Physical therapy clinic

Transit and Meeting Points

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

RAIL

Cleburne

48 mi away
206 North Border St.
BUS

Waco, TX

66 mi away
301 South 8th Street
RAIL

Union Station

74 mi away
400 South Houston St.
BUS

Dallas, TX

74 mi away
205 South Lamar Street

Flight Path Map

This map shows the direct air route between San Antonio and Texarkana. Straight-line distance: 380.87 mi (612.95 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
Texarkana

#2 Texarkana

City in Bowie County, Texas, United States

Population36,221
Coordinates33.4251300, -94.0476900
Altitude91
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Texarkana (-94.04769, 33.42513)

Estimated Travel Time

Distance: 726 km by road

SpeedTime
30 mph (48.3 km/h)15h 01m
40 mph (64.37 km/h)11h 16m
50 mph (80.47 km/h)09h 01m
60 mph (96.56 km/h)07h 31m
70 mph (112.65 km/h)06h 26m
80 mph (129 km/h)05h 37m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.92 gal
60.26 L · about $60.16
Round trip
$120.32
31.84 gal · 120.52 L
Estimated CO2
141.5 kg one way
Round trip: 283 kg / 624 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $60.16 $120.32
Mid-grade $4.25 $67.69 $135.38
Premium $4.59 $73.09 $146.18
Diesel $3.99 $63.57 $127.14

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 · May 05, 2026

There is no time difference between San Antonio and Texarkana. The current time is 20:41:47.

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.