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

The driving distance from Grand Saline, TX to San Antonio, TX is about 328.4 miles (528.5 km), with a travel time of about 05h 25m by car.

  • The straight-line flight distance is about 278.5 miles (448.2 km).
  • For a round trip, plan for roughly 10h 50m 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
328.36 mi
05h 25m
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 Grand Saline.

Flight Distance

Direct air line
278.47 mi
Kilometers
448.16 km
Flight Time
00h 33m

Driving Distance

Road route
328.36 mi
Kilometers
528.45 km
Drive Time
05h 25m

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 25m.

Arrival Snapshot
Arrive in San Antonio
Sun, Apr 19, 10:34 AM CDT
Return by in Grand Saline
Sun, Apr 19, 3:59 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Grand Saline
2026-04-19T05:08
Arrive San Antonio
Sun, Apr 19, 10:34 AM CDT
Route Timing
05h 25m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:25 AM to 1:25 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
6:10 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Grand Saline
9:00 PM CDT
Early departure recommended

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
Lorena
TX

City in Texas

From Grand Saline
165.5 mi
02h 42m
To San Antonio
162.9 mi
02h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Sunday

Slight Chance Rain Showers then Mostly Sunny

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

Slight Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 15 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East Frank Street

    21 m · 5 sec · East Frank Street

  2. 2

    Turn right onto North Main Street

    116 m · 15 sec · North Main Street

  3. 3

    Turn left onto West Garland Street

    1.1 km · 46 sec · West Garland Street

  4. 4

    Continue on West Frank Street

    9 mi · 10 min · West Frank Street

  5. 5

    Continue on East Pine Street

    1.3 mi · 1 min · East Pine Street

  6. 6

    Continue on Goodnight Boulevard

    6.1 mi · 7 min · Goodnight Boulevard

  7. 7

    Continue on Houston Street

    2624 ft · 34 sec · Houston Street

  8. 8

    Continue on East South Commerce Street

    17.7 mi · 21 min · East South Commerce Street

  9. 9

    Turn left onto FM 148

    2.1 mi · 3 min · FM 148

  10. 10

    Take the ramp right toward I 20 West: Dallas

    1316 ft · 32 sec

  11. 11

    Merge slight left

    18 mi · 19 min

  12. 12

    Merge slight right onto Lyndon B Johnson Freeway

    11.8 mi · 13 min · Lyndon B Johnson Freeway

  13. 13

    Take the exit slight right toward I 35E South: Waco

    1.6 km · 2 min

  14. 14

    Merge slight left onto South R L Thornton Freeway

    80.3 mi · 1 hr 22 min · South R L Thornton Freeway

  15. 15

    Continue on North Jack Kultgen Expressway

    6.6 mi · 8 min · North Jack Kultgen Expressway

  16. 16

    Continue on Purple Heart Trail

    37.9 mi · 39 min · Purple Heart Trail

  17. 17

    Keep slight left

    55.8 mi · 59 min

  18. 18

    Keep slight left to continue on Purple Heart Trail

    49.8 mi · 55 min · Purple Heart Trail

  19. 19

    Continue on Interstate Highway 35

    1.7 mi · 2 min · Interstate Highway 35

  20. 20

    Continue on Purple Heart Trail

    11.9 mi · 13 min · Purple Heart Trail

  21. 21

    Continue on North Pan Am Expressway

    10 mi · 12 min · North Pan Am Expressway

  22. 22

    Keep slight left to continue on North Pan Am Expressway

    6.4 mi · 8 min · North Pan Am Expressway

  23. 23

    Keep slight left to continue on North Pan Am Expressway

    2907 ft · 41 sec · North Pan Am Expressway

  24. 24

    Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue

    684 ft · 17 sec

  25. 25

    Turn straight onto East Elmira Street

    526 ft · 17 sec · East Elmira Street

  26. 26

    Turn left onto North Main Avenue

    830 ft · 19 sec · North Main Avenue

  27. 27

    Enter the roundabout and take exit 2 toward Navarro Street

    49 m · 3 sec · Navarro Street

  28. 28

    Exit the roundabout onto Navarro Street

    34 m · 2 sec · Navarro Street

  29. 29

    Keep slight right to continue on North Main Avenue

    2181 ft · 52 sec · North Main Avenue

  30. 30

    Turn right onto West Travis Street

    68 m · 11 sec · West Travis Street

  31. 31

    Turn left onto North Flores Street

    807 ft · 20 sec · North Flores Street

  32. 32

    Continue on Military Plaza

    119 m · 16 sec · Military Plaza

  33. 33

    Turn left onto Dolorosa Street

    100 m · 8 sec · Dolorosa Street

  34. 34

    Arrive at your destination

    0 m · 1 sec · Dolorosa Street

Car Route Details

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

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
34 steps
10 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
10.4 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
155 mi · 47%
South R L Thornton Freeway
80.3 mi · 24%
I 20 West
18.2 mi · 6%
East South Commerce Street
17.7 mi · 5%
North Pan Am Expressway
17 mi · 5%
Lyndon B Johnson Freeway
11.8 mi · 4%
Longest Stretch

South R L Thornton Freeway

Merge slight left onto South R L Thornton Freeway

80.3 mi · 01h 22m

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 25m
Long day trip
Same-Day Return
10h 50m
Round-trip wheel time
Road vs Air
+49.9 mi
278.5 mi direct line
Halfway Stop
Lorena
02h 42m from Grand Saline
Leave By
6:10 AM CDT
Early departure recommended
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 328.4 miles (528.5 km) and usually takes 05h 25m 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 165.5 miles from Grand Saline and 162.9 miles from San Antonio.

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 49.9 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 6:10 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $43.80 one way or $87.60 round trip. Estimated CO2 is about 103 kg one way.

What should you check before leaving?

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

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 Grand Saline and San Antonio. Straight-line distance: 278.47 mi (448.16 km).

Grand Saline

#1 Grand Saline

City in Van Zandt County, Texas, United States

Population3,214
Coordinates32.6734600, -95.7094100
Altitude122
CountryUnited States
San Antonio

#2 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
Start: East Frank Street (-95.70941, 32.673475)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 528 km by road

SpeedTime
30 mph (48.3 km/h)10h 56m
40 mph (64.37 km/h)08h 12m
50 mph (80.47 km/h)06h 34m
60 mph (96.56 km/h)05h 28m
70 mph (112.65 km/h)04h 41m
80 mph (129 km/h)04h 05m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.59 gal
43.86 L · about $43.80
Round trip
$87.60
23.18 gal · 87.72 L
Estimated CO2
103 kg one way
Round trip: 206 kg / 454 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $43.80 $87.60
Mid-grade $4.25 $49.28 $98.56
Premium $4.59 $53.21 $106.42
Diesel $3.99 $46.28 $92.56

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 Grand Saline and San Antonio. The current time is 05:08:52.

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.