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

The driving distance from Lexington, TX to San Antonio, TX is about 138.9 miles (223.5 km), with a travel time of about 02h 16m by car.

  • The straight-line flight distance is about 112.3 miles (180.7 km).
  • For a round trip, plan for roughly 04h 33m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
138.85 mi
02h 16m
Flight
112.26 mi
180.66 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Lexington.

Flight Distance

Direct air line
112.26 mi
Kilometers
180.66 km
Flight Time
00h 13m

Driving Distance

Road route
138.85 mi
Kilometers
223.46 km
Drive Time
02h 16m

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 02h 16m.

Arrival Snapshot
Arrive in San Antonio
Tue, May 12, 6:54 PM CDT
Return by in Lexington
Tue, May 12, 9:10 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lexington
2026-05-12T16:37
Arrive San Antonio
Tue, May 12, 6:54 PM CDT
Route Timing
02h 16m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:17 AM to 12:17 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:56 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Lexington
9:30 PM CDT
Morning start is best

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
Lockhart
TX

City in Texas, USA

From Lexington
68.2 mi
01h 08m
To San Antonio
70.6 mi
01h 08m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
0 mph
Destination
86°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on 7th Street

    38 m · 5 sec · 7th Street

  2. 2

    Turn right onto Rockdale Street

    1.3 mi · 2 min · Rockdale Street

  3. 3

    Merge slight left onto United States Highway 77

    7.6 mi · 9 min · United States Highway 77

  4. 4

    Take the exit right

    980 ft · 27 sec

  5. 5

    Continue straight

    132 m · 12 sec

  6. 6

    Merge slight left

    26.7 mi · 30 min

  7. 7

    Turn left onto State Highway 95

    1748 ft · 30 sec · State Highway 95

  8. 8

    Turn right onto State Highway 71 East

    125 m · 11 sec · State Highway 71 East

  9. 9

    Take the ramp slight left toward TX 21 West, TX 71 West

    2021 ft · 49 sec

  10. 10

    Merge slight left onto State Highway 71 East

    2.2 mi · 3 min · State Highway 71 East

  11. 11

    Continue straight

    1.2 km · 50 sec

  12. 12

    Continue straight

    2.8 mi · 3 min

  13. 13

    Take the exit slight right toward TX 21 West: San Marcos

    1681 ft · 52 sec

  14. 14

    Turn left onto West State Highway 21

    17.8 mi · 21 min · West State Highway 21

  15. 15

    Turn left onto US 183, Toll 130 South

    1833 ft · 1 min

  16. 16

    Turn straight

    2815 ft · 37 sec

  17. 17

    Take the ramp slight left toward TX 130 Toll South

    1635 ft · 40 sec

  18. 18

    Merge slight left onto Pickle Parkway

    34 mi · 30 min · Pickle Parkway

  19. 19

    Keep slight right to continue on I 10 West: San Antonio

    3262 ft · 1 min

  20. 20

    Merge slight left

    11.1 mi · 11 min

  21. 21

    Continue straight

    9.4 mi · 9 min

  22. 22

    Keep slight left

    12 mi · 13 min

  23. 23

    Keep slight left to continue on 90th Infantry Division Highway

    1.2 km · 52 sec · 90th Infantry Division Highway

  24. 24

    Continue on Jose Lopez Freeway

    1.6 mi · 2 min · Jose Lopez Freeway

  25. 25

    Take the exit slight right toward Commerce Street, Houston Street

    790 ft · 19 sec

  26. 26

    Turn straight onto Interstate 10 East

    1830 ft · 39 sec · Interstate 10 East

  27. 27

    Turn right onto East Houston Street

    963 ft · 20 sec · East Houston Street

  28. 28

    Turn slight left onto East Commerce Street

    4.3 mi · 7 min · East Commerce Street

  29. 29

    Turn left onto Military Plaza

    119 m · 16 sec · Military Plaza

  30. 30

    Turn left onto Dolorosa Street

    100 m · 8 sec · Dolorosa Street

  31. 31

    Arrive at your destination

    0 m · 1 sec · Dolorosa Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
31 steps
11 turns on the saved route
Ramps & Exits
10
5 merges, 5 ramps or exits
Navigation Density
22.3 / 100 mi
Decision points by distance
Main Roads
United States Highway 77
34.6 mi · 25%
Pickle Parkway
34 mi · 24%
I 10 West
33.2 mi · 24%
West State Highway 21
17.8 mi · 13%
State Highway 71 East
5.86 mi · 4%
East Commerce Street
4.32 mi · 3%
Longest Stretch

Pickle Parkway

Merge slight left onto Pickle Parkway

34 mi · 00h 30m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 16m
Day trip friendly
Same-Day Return
04h 34m
Round-trip wheel time
Road vs Air
+26.6 mi
112.3 mi direct line
Halfway Stop
Lockhart
01h 08m from Lexington
Leave By
1:56 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving Lexington and Mostly Sunny near San Antonio.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 138.9 miles (223.5 km) and usually takes 02h 16m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Lockhart is a useful midpoint, sitting about 68.2 miles from Lexington and 70.6 miles from San Antonio.

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

The direct path is about 112.3 miles (180.7 km), while the road route adds roughly 26.6 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:56 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $18.52 one way or $37.03 round trip. Estimated CO2 is about 43.5 kg one way.

What should you check before leaving?

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

Stop Ideas Near Lockhart

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

Mid-route Guidance
Local place coverage is thin around Lockhart, 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 Lockhart.

RAIL

San Marcos Station

26 mi away
338 South Guadalupe St.
RAIL

Austin

44 mi away
250 North Lamar Blvd.
RAIL

Taylor

80 mi away
118 East First St.
RAIL

San Antonio Station

94 mi away
350 Hoefgen Street

Flight Path Map

This map shows the direct air route between Lexington and San Antonio. Straight-line distance: 112.26 mi (180.66 km).

Lexington

#1 Lexington

Town in Lee County, Texas, United States

Population1,256
Coordinates30.4191000, -97.0116500
Altitude139
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: 7th Street (-97.011626, 30.419043)
End: Dolorosa Street (-98.493645, 29.424163)

Estimated Travel Time

Distance: 223 km by road

SpeedTime
30 mph (48.3 km/h)04h 37m
40 mph (64.37 km/h)03h 28m
50 mph (80.47 km/h)02h 46m
60 mph (96.56 km/h)02h 18m
70 mph (112.65 km/h)01h 59m
80 mph (129 km/h)01h 43m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.9 gal
18.55 L · about $18.52
Round trip
$37.03
9.8 gal · 37.1 L
Estimated CO2
43.5 kg one way
Round trip: 87.1 kg / 192 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $18.52 $37.03
Mid-grade $4.25 $20.83 $41.67
Premium $4.59 $22.50 $44.99
Diesel $3.99 $19.57 $39.13

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 12, 2026

There is no time difference between Lexington and San Antonio. The current time is 16:37:34.

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.