How far is Lakeway, TX from Brownsville, TX?
The driving distance from Lakeway, TX to Brownsville, TX is about 361 miles (580.9 km), with a travel time of about 06h 40m by car.
- The straight-line flight distance is about 309.7 miles (498.4 km).
- For a round trip, plan for roughly 13h 20m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 40m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Town in Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Lakeway and Brownsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lakeway and Brownsville.
-
1
Start on the route
34 m · 14 sec
-
2
Turn left onto Lohmans Crossing Road
1.9 mi · 4 min · Lohmans Crossing Road
-
3
Turn right onto Ranch Road 620 South
2.9 mi · 4 min · Ranch Road 620 South
-
4
Turn left onto West Highway 71
5.9 mi · 8 min · West Highway 71
-
5
Continue on State Highway 71 West
1.1 mi · 2 min · State Highway 71 West
-
6
Turn slight right
84 m · 10 sec
-
7
Merge slight left onto West US Highway 290 Frontage Road
1.4 km · 1 min · West US Highway 290 Frontage Road
-
8
Turn left onto Ranch Road 1826
1.4 km · 1 min · Ranch Road 1826
-
9
Turn left onto West Slaughter Lane
2.3 mi · 4 min · West Slaughter Lane
-
10
Take the ramp slight right toward Loop 1 South
1533 ft · 38 sec
-
11
Merge slight left onto South Mopac Expressway
1.9 mi · 2 min · South Mopac Expressway
-
12
Keep slight left to continue on 45 Toll East
1483 ft · 32 sec
-
13
Merge slight right onto 45 Southwest Toll Road
3.4 mi · 4 min · 45 Southwest Toll Road
-
14
Keep slight right to continue on FM 1626 South
89 m · 7 sec
-
15
Turn straight onto North FM 1626
8.8 mi · 12 min · North FM 1626
-
16
Turn slight right onto I 35 South: San Marcos
53 m · 6 sec
-
17
Turn straight onto South Interstate 35
1 mi · 2 min · South Interstate 35
-
18
Continue on North Old Highway 81
2104 ft · 42 sec · North Old Highway 81
-
19
Take the ramp slight left toward I 35 South
1148 ft · 28 sec
-
20
Merge slight left onto Purple Heart Trail
26.1 mi · 28 min · Purple Heart Trail
-
21
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
-
22
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
-
23
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
-
24
Keep slight right to continue on Connally Loop
11 mi · 12 min · Connally Loop
-
25
Take the exit slight right toward I 37, US 281 North: San Antonio, Corpus Christi
1184 ft · 29 sec
-
26
Keep slight left to continue on I 37 South: Corpus Christi
2457 ft · 1 min
-
27
Merge slight left
118.7 mi · 1 hr 59 min
-
28
Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville
31.3 mi · 34 min
-
29
Keep slight left to continue on U.S. Highway 77
61.3 mi · 1 hr 9 min · U.S. Highway 77
-
30
Keep slight left to continue on U.S. Highway 77
43.7 mi · 47 min · U.S. Highway 77
-
31
Continue on North Expressway
2.1 mi · 2 min · North Expressway
-
32
Keep slight left to continue on North Expressway
9 mi · 10 min · North Expressway
-
33
Take the exit slight right toward 12th-14th Street
1730 ft · 42 sec
-
34
Turn straight onto South Expressway
101 m · 9 sec · South Expressway
-
35
Turn right onto East 12th Street
1.2 km · 2 min · East 12th Street
-
36
Turn right onto East Washington Street
9 m · 1 sec · East Washington Street
-
37
Arrive at your destination
0 m · 1 sec · East Washington Street
Car Route Details
A richer read on the saved driving route between Lakeway and Brownsville.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 37 South
Merge slight left
119 mi · 01h 59m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Lakeway and Mostly Sunny near Brownsville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lakeway to Brownsville?
The road trip is about 361 miles (580.9 km) and usually takes 06h 40m 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?
Lake City is a useful midpoint, sitting about 180.8 miles from Lakeway and 180.1 miles from Brownsville.
How much longer is the road route than the straight-line distance?
The direct path is about 309.7 miles (498.4 km), while the road route adds roughly 51.3 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 $48.14 one way or $96.29 round trip. Estimated CO2 is about 113.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Lakeway and Mostly Sunny near Brownsville.
Flight Path Map
This map shows the direct air route between Lakeway and Brownsville. Straight-line distance: 309.69 mi (498.4 km).
#1 Lakeway
City in Travis County, Texas, United States
| Population | 16,216 |
| Coordinates | 30.3637700, -97.9795900 |
| Altitude | 251 |
| Country | United States |
#2 Brownsville
The southernmost city in Texas.
| Population | 183,428 |
| Coordinates | 25.9017500, -97.4974800 |
| Altitude | 10 |
| Country | United States |
End: Brownsville (-97.49748, 25.90175)
Estimated Travel Time
Distance: 581 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 01m |
| 40 mph (64.37 km/h) | 09h 01m |
| 50 mph (80.47 km/h) | 07h 13m |
| 60 mph (96.56 km/h) | 06h 00m |
| 70 mph (112.65 km/h) | 05h 09m |
| 80 mph (129 km/h) | 04h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $48.14 | $96.29 |
| Mid-grade | $4.25 | $54.17 | $108.34 |
| Premium | $4.59 | $58.49 | $116.98 |
| Diesel | $3.99 | $50.87 | $101.74 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.