How far is San Antonio, TX from Grand Saline, TX?

The driving distance from San Antonio, TX to Grand Saline, TX is about 330.4 miles (531.8 km), with a travel time of about 05h 58m by car.

  • The straight-line flight distance is about 278.5 miles (448.2 km).
  • For a round trip, plan for roughly 11h 57m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
330.45 mi
05h 58m
Flight
278.47 mi
448.16 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
278.47 mi
Kilometers
448.16 km
Flight Time
00h 33m

Driving Distance

Road route
330.45 mi
Kilometers
531.81 km
Drive Time
05h 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 05h 58m.

Arrival Snapshot
Arrive in Grand Saline
Sun, Apr 19, 12:26 PM CDT
Return by in San Antonio
Sun, Apr 19, 6:25 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-04-19T06:27
Arrive Grand Saline
Sun, Apr 19, 12:26 PM CDT
Route Timing
05h 58m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:59 AM to 1:59 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:02 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in San Antonio
9:00 PM CDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

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

Mid-route stop
Lorena
TX

City in Texas

From San Antonio
165.4 mi
02h 59m
To Grand Saline
165 mi
02h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Sunday

Slight Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 15 mph NE
Destination
72°F
Sunday

Slight Chance Rain Showers then Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
5 to 10 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between San Antonio and Grand Saline.

  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

    47.5 mi · 49 min

  18. 18

    Take the exit slight right toward I 20 East: Shreveport

    2359 ft · 57 sec

  19. 19

    Merge slight left onto Lyndon B Johnson Freeway

    11.9 mi · 13 min · Lyndon B Johnson Freeway

  20. 20

    Keep slight left to continue on Ronald Reagan Memorial Highway

    17.9 mi · 19 min · Ronald Reagan Memorial Highway

  21. 21

    Take the exit slight right toward FM 148

    1529 ft · 46 sec

  22. 22

    Turn left onto FM 148

    2.2 mi · 3 min · FM 148

  23. 23

    Turn right onto West Moore Avenue

    17.7 mi · 21 min · West Moore Avenue

  24. 24

    Continue on Houston Street

    2624 ft · 34 sec · Houston Street

  25. 25

    Continue on Goodnight Boulevard

    6.1 mi · 7 min · Goodnight Boulevard

  26. 26

    Continue on West Pine Street

    1.3 mi · 1 min · West Pine Street

  27. 27

    Continue on United States Highway 80

    9 mi · 10 min · United States Highway 80

  28. 28

    Turn straight onto West Garland Street

    1.1 km · 50 sec · West Garland Street

  29. 29

    Turn right onto North Main Street

    116 m · 13 sec · North Main Street

  30. 30

    Turn left onto East Frank Street

    21 m · 3 sec · East Frank Street

  31. 31

    Arrive at your destination

    0 m · 1 sec · East Frank Street

Car Route Details

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

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
7 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
9.4 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
188 mi · 57%
I 35E
47.5 mi · 14%
Ronald Reagan Memorial Highway
17.9 mi · 5%
West Moore Avenue
17.7 mi · 5%
North Pan Am Expressway
15.6 mi · 5%
Lyndon B Johnson Freeway
11.9 mi · 4%
Longest Stretch

Purple Heart Trail

Keep slight right to continue on Purple Heart Trail

95.6 mi · 01h 40m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 58m
Long day trip
Same-Day Return
11h 58m
Round-trip wheel time
Road vs Air
+51.9 mi
278.5 mi direct line
Halfway Stop
Lorena
02h 59m from San Antonio
Leave By
5:02 AM CDT
Early departure recommended
Weather Watch

Slight Chance Rain Showers leaving San Antonio and Slight Chance Rain Showers then Mostly Sunny near Grand Saline.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Antonio to Grand Saline?

The road trip is about 330.4 miles (531.8 km) and usually takes 05h 58m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Lorena is a useful midpoint, sitting about 165.4 miles from San Antonio and 165 miles from Grand Saline.

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

The direct path is about 278.5 miles (448.2 km), while the road route adds roughly 51.9 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:02 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $44.06 one way or $88.13 round trip. Estimated CO2 is about 103.6 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around San Antonio and Slight Chance Rain Showers then Mostly Sunny near Grand Saline.

Stop Ideas Near Lorena

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

Mid-route Guidance
Local place coverage is thin around Lorena, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

McGregor

19 mi away
1 Amtrak Blvd.
BUS

Waco, TX

20 mi away
301 South 8th Street
RAIL

Temple

35 mi away
315 West Ave B
BUS

Killeen, Texas

57 mi away
200 East Avenue C

Flight Path Map

This map shows the direct air route between San Antonio and Grand Saline. Straight-line distance: 278.47 mi (448.16 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
Grand Saline

#2 Grand Saline

City in Van Zandt County, Texas, United States

Population3,214
Coordinates32.6734600, -95.7094100
Altitude122
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Grand Saline (-95.70941, 32.67346)

Estimated Travel Time

Distance: 532 km by road

SpeedTime
30 mph (48.3 km/h)11h 00m
40 mph (64.37 km/h)08h 15m
50 mph (80.47 km/h)06h 36m
60 mph (96.56 km/h)05h 30m
70 mph (112.65 km/h)04h 43m
80 mph (129 km/h)04h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.66 gal
44.14 L · about $44.06
Round trip
$88.13
23.32 gal · 88.28 L
Estimated CO2
103.6 kg one way
Round trip: 207.2 kg / 457 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $44.06 $88.13
Mid-grade $4.25 $49.58 $99.16
Premium $4.59 $53.53 $107.06
Diesel $3.99 $46.56 $93.12

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 19, 2026

There is no time difference between San Antonio and Grand Saline. The current time is 06:27:40.

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.