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

The driving distance from San Antonio, TX to Lamesa, TX is about 346.2 miles (557.1 km), with a travel time of about 06h 00m by car.

  • The straight-line flight distance is about 307 miles (494 km).
  • For a round trip, plan for roughly 12h 01m 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
346.16 mi
06h 00m
Flight
306.99 mi
494.05 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
306.99 mi
Kilometers
494.05 km
Flight Time
00h 37m

Driving Distance

Road route
346.16 mi
Kilometers
557.09 km
Drive Time
06h 00m

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 06h 00m.

Arrival Snapshot
Arrive in Lamesa
Sun, Apr 26, 11:30 AM CDT
Return by in San Antonio
Sun, Apr 26, 5:31 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Antonio
2026-04-26T05:29
Arrive Lamesa
Sun, Apr 26, 11:30 AM CDT
Route Timing
06h 00m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:01 PM to 1:31 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
11:58 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
Live Oak
TX

City in Texas

From San Antonio
173.2 mi
03h 00m
To Lamesa
173 mi
03h 00m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
91°F
Sunday

Mostly Cloudy

Starts
Sun, Apr 26 6:00 AM CDT
Wind
5 mph SSE
Destination
94°F
Sunday

Mostly Sunny

Starts
Sun, Apr 26 6:00 AM CDT
Wind
10 to 20 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Dolorosa Street

    44 m · 5 sec · Dolorosa Street

  2. 2

    Continue on West Market Street

    1042 ft · 28 sec · West Market Street

  3. 3

    Turn left onto Navarro Street

    1.3 km · 2 min · Navarro Street

  4. 4

    Enter the roundabout and take exit 2 toward San Pedro Avenue

    26 m · 2 sec · San Pedro Avenue

  5. 5

    Exit the roundabout onto San Pedro Avenue

    2891 ft · 1 min · San Pedro Avenue

  6. 6

    Turn left onto West Cypress Street

    604 ft · 10 sec · West Cypress Street

  7. 7

    Turn straight onto East Fredericksburg Road

    1.2 mi · 2 min · East Fredericksburg Road

  8. 8

    Turn right onto Interstate 10 West

    657 ft · 13 sec · Interstate 10 West

  9. 9

    Take the ramp slight left toward I 10 West, US 87 North

    553 ft · 14 sec

  10. 10

    Merge slight left onto McDermott Freeway

    12.8 mi · 15 min · McDermott Freeway

  11. 11

    Keep slight right

    98.7 mi · 1 hr 37 min

  12. 12

    Take the exit slight right toward US 83 North, US 377: Junction, Menard

    1665 ft · 44 sec

  13. 13

    Turn right onto North Main Street

    29.3 mi · 31 min · North Main Street

  14. 14

    Continue on Frisco Avenue

    21.5 mi · 23 min · Frisco Avenue

  15. 15

    Turn left onto West Broadway Street

    39.2 mi · 40 min · West Broadway Street

  16. 16

    Continue on South Bryant Boulevard

    4.1 mi · 6 min · South Bryant Boulevard

  17. 17

    Continue on South Koenigheim Street

    1.4 mi · 2 min · South Koenigheim Street

  18. 18

    Continue on North Bryant Boulevard

    4.3 mi · 6 min · North Bryant Boulevard

  19. 19

    Continue on US Highway 87 North

    23.2 mi · 24 min · US Highway 87 North

  20. 20

    Continue straight

    15.8 mi · 17 min

  21. 21

    Turn straight onto US Highway 87 North

    52 mi · 52 min · US Highway 87 North

  22. 22

    Continue on North US Highway 87

    15.2 mi · 15 min · North US Highway 87

  23. 23

    Continue on William Crooker Highway

    4.3 mi · 4 min · William Crooker Highway

  24. 24

    Continue on South US Highway 87

    18.1 mi · 18 min · South US Highway 87

  25. 25

    Continue on South Dallas Avenue

    1.3 mi · 2 min · South Dallas Avenue

  26. 26

    Continue on South Lynn Avenue

    1.2 mi · 1 min · South Lynn Avenue

  27. 27

    Turn left

    49 m · 12 sec

  28. 28

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
28 steps
10 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
8.1 / 100 mi
Decision points by distance
Main Roads
McDermott Freeway
112 mi · 32%
US Highway 87 North
91.1 mi · 26%
West Broadway Street
39.2 mi · 11%
North Main Street
29.3 mi · 8%
Frisco Avenue
21.5 mi · 6%
South US Highway 87
18.1 mi · 5%
Longest Stretch

McDermott Freeway

Keep slight right

98.7 mi · 01h 37m

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
06h 00m
Overnight route
Same-Day Return
12h 02m
Round-trip wheel time
Road vs Air
+39.2 mi
307 mi direct line
Halfway Stop
Live Oak
03h 00m from San Antonio
Leave By
11:58 PM CDT
Overnight-style route
Weather Watch

Mostly Cloudy leaving San Antonio and Mostly Sunny near Lamesa.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 346.2 miles (557.1 km) and usually takes 06h 00m 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?

Live Oak is a useful midpoint, sitting about 173.2 miles from San Antonio and 173 miles from Lamesa.

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

The direct path is about 307 miles (494 km), while the road route adds roughly 39.2 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 $46.18 one way or $92.36 round trip. Estimated CO2 is about 108.6 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between San Antonio and Lamesa. Straight-line distance: 306.99 mi (494.05 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
Lamesa

#2 Lamesa

City in Texas, USA

Population9,131
Coordinates32.7376000, -101.9509900
Altitude912
CountryUnited States
Start: San Antonio (-98.49363, 29.42412)
End: Lamesa (-101.95099, 32.7376)

Estimated Travel Time

Distance: 557 km by road

SpeedTime
30 mph (48.3 km/h)11h 32m
40 mph (64.37 km/h)08h 39m
50 mph (80.47 km/h)06h 55m
60 mph (96.56 km/h)05h 46m
70 mph (112.65 km/h)04h 56m
80 mph (129 km/h)04h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.22 gal
46.24 L · about $46.18
Round trip
$92.36
24.44 gal · 92.48 L
Estimated CO2
108.6 kg one way
Round trip: 217.2 kg / 479 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $46.18 $92.36
Mid-grade $4.25 $51.96 $103.92
Premium $4.59 $56.10 $112.20
Diesel $3.99 $48.79 $97.59

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 26, 2026

There is no time difference between San Antonio and Lamesa. The current time is 05:29:24.

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.