How far is Brownsville, TX from Lockhart, TX?

The driving distance from Brownsville, TX to Lockhart, TX is about 303.7 miles (488.8 km), with a travel time of about 06h 03m by car.

  • The straight-line flight distance is about 275.4 miles (443.2 km).
  • For a round trip, plan for roughly 12h 07m 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
303.71 mi
06h 03m
Flight
275.41 mi
443.23 km direct

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

Learn Distance

Choose another destination from Brownsville.

Flight Distance

Direct air line
275.41 mi
Kilometers
443.23 km
Flight Time
00h 33m

Driving Distance

Road route
303.71 mi
Kilometers
488.77 km
Drive Time
06h 03m

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 03m.

Arrival Snapshot
Arrive in Lockhart
Thu, Apr 23, 6:16 AM CDT
Return by in Brownsville
Thu, Apr 23, 12:19 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Brownsville
2026-04-23T00:12
Arrive Lockhart
Thu, Apr 23, 6:16 AM CDT
Route Timing
06h 03m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:04 PM to 1:34 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
11:52 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Brownsville
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
Odem
TX

City in San Patricio County, Texas, United States

From Brownsville
152.2 mi
03h 01m
To Lockhart
151.5 mi
03h 01m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Brownsville Weather
TX
Live fallback forecast
88°F
Thursday
Using Cameron Park as the closest live forecast in the Cameron County weather hub.

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
7 to 15 mph SE
Destination
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 15 mph S

Driving Route Map

The map below follows the saved road route between Brownsville and Lockhart.

Turn-by-Turn Driving Directions

Step-by-step road directions between Brownsville and Lockhart.

  1. 1

    Start on East Washington Street

    1682 ft · 41 sec · East Washington Street

  2. 2

    Turn right onto East 7th Street

    1.5 km · 2 min · East 7th Street

  3. 3

    Turn left onto North Frontage Road

    999 ft · 20 sec · North Frontage Road

  4. 4

    Take the ramp slight left toward I 69E North, US 77 North, US 83 North

    2235 ft · 55 sec

  5. 5

    Merge slight left onto North Expressway

    10.6 mi · 12 min · North Expressway

  6. 6

    Continue on U.S. Highway 77

    102 mi · 1 hr 53 min · U.S. Highway 77

  7. 7

    Keep slight left

    1157 ft · 14 sec

  8. 8

    Merge slight right

    1.2 mi · 1 min

  9. 9

    Continue on U.S. Highway 77

    11.6 mi · 13 min · U.S. Highway 77

  10. 10

    Take the exit slight right

    1410 ft · 34 sec

  11. 11

    Turn straight onto US Highway 77 Frontage Road

    148 m · 18 sec · US Highway 77 Frontage Road

  12. 12

    Turn right onto County Road 10

    1 mi · 4 min · County Road 10

  13. 13

    Turn left onto County Road 79

    4 mi · 16 min · County Road 79

  14. 14

    Turn left onto County Road 18

    848 ft · 44 sec · County Road 18

  15. 15

    Turn sharp right

    1.1 mi · 3 min

  16. 16

    Take the ramp straight

    2351 ft · 57 sec

  17. 17

    Merge slight left onto Driscoll Bypass

    2.3 mi · 2 min · Driscoll Bypass

  18. 18

    Continue on U.S. Highway 77

    13.2 mi · 14 min · U.S. Highway 77

  19. 19

    Merge slight left

    1.4 mi · 1 min

  20. 20

    Keep slight left

    1.3 mi · 1 min

  21. 21

    Continue straight

    18.3 mi · 18 min

  22. 22

    Take the exit slight right toward TX 359: Mathis, Skidmore

    1275 ft · 33 sec

  23. 23

    Turn right onto State Highway 359

    12.4 mi · 17 min · State Highway 359

  24. 24

    At the end of the road, turn left onto South 8th Street

    1.3 km · 56 sec · South 8th Street

  25. 25

    Continue on US Highway 181 South

    40.2 mi · 46 min · US Highway 181 South

  26. 26

    Continue on South Sunset Strip Drive

    1.2 mi · 1 min · South Sunset Strip Drive

  27. 27

    Turn right onto West Main Street

    1.2 km · 1 min · West Main Street

  28. 28

    Keep slight left to continue on East Main Street

    71 m · 4 sec · East Main Street

  29. 29

    Continue on Helena Road

    8.4 mi · 11 min · Helena Road

  30. 30

    Turn straight onto State Highway 80

    23.6 mi · 26 min · State Highway 80

  31. 31

    Continue on South Nixon Avenue

    1 mi · 2 min · South Nixon Avenue

  32. 32

    Continue on State Highway 80 North

    30.8 mi · 35 min · State Highway 80 North

  33. 33

    Continue on US 183

    10.1 mi · 12 min · US 183

  34. 34

    Continue on South Colorado Street

    3.1 mi · 6 min · South Colorado Street

  35. 35

    Turn right onto East San Antonio Street

    40 m · 8 sec · East San Antonio Street

  36. 36

    Turn right

    17 m · 4 sec

  37. 37

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Brownsville and Lockhart.

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
37 steps
13 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
12.2 / 100 mi
Decision points by distance
Main Roads
U.S. Highway 77
149 mi · 49%
US Highway 181 South
40.2 mi · 13%
State Highway 80 North
30.8 mi · 10%
State Highway 80
23.6 mi · 8%
State Highway 359
12.4 mi · 4%
North Expressway
10.6 mi · 3%
Longest Stretch

U.S. Highway 77

Continue on U.S. Highway 77

102 mi · 01h 53m

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 03m
Overnight route
Same-Day Return
12h 08m
Round-trip wheel time
Road vs Air
+28.3 mi
275.4 mi direct line
Halfway Stop
Odem
03h 01m from Brownsville
Leave By
11:52 PM CDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Brownsville and Mostly Cloudy near Lockhart.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Brownsville to Lockhart?

The road trip is about 303.7 miles (488.8 km) and usually takes 06h 03m 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?

Odem is a useful midpoint, sitting about 152.2 miles from Brownsville and 151.5 miles from Lockhart.

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

The direct path is about 275.4 miles (443.2 km), while the road route adds roughly 28.3 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 $40.51 one way or $81.02 round trip. Estimated CO2 is about 95.3 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Brownsville and Mostly Cloudy near Lockhart.

Flight Path Map

This map shows the direct air route between Brownsville and Lockhart. Straight-line distance: 275.41 mi (443.23 km).

Brownsville

#1 Brownsville

The southernmost city in Texas.

Population183,428
Coordinates25.9017500, -97.4974800
Altitude10
CountryUnited States
Lockhart

#2 Lockhart

City in Texas, USA

Population14,069
Coordinates29.8849400, -97.6700000
Altitude157
CountryUnited States
Start: Brownsville (-97.49748, 25.90175)
End: Lockhart (-97.67, 29.88494)

Estimated Travel Time

Distance: 489 km by road

SpeedTime
30 mph (48.3 km/h)10h 07m
40 mph (64.37 km/h)07h 35m
50 mph (80.47 km/h)06h 04m
60 mph (96.56 km/h)05h 03m
70 mph (112.65 km/h)04h 20m
80 mph (129 km/h)03h 47m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.72 gal
40.57 L · about $40.51
Round trip
$81.02
21.44 gal · 81.14 L
Estimated CO2
95.3 kg one way
Round trip: 190.5 kg / 420 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $40.51 $81.02
Mid-grade $4.25 $45.58 $91.16
Premium $4.59 $49.22 $98.43
Diesel $3.99 $42.80 $85.61

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 23, 2026

There is no time difference between Brownsville and Lockhart. The current time is 00:12:11.

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.