How far is Seguin, TX from Brownsville, TX?
The driving distance from Seguin, TX to Brownsville, TX is about 303 miles (487.7 km), with a travel time of about 05h 25m by car.
- The straight-line flight distance is about 254.9 miles (410.3 km).
- For a round trip, plan for roughly 10h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 05h 25m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in San Patricio County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Seguin and Brownsville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seguin and Brownsville.
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1
Start on West Court Street
2.1 mi · 4 min · West Court Street
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2
Continue straight
1 mi · 2 min
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3
Take the ramp left toward I 10 West, TX 130 South
1705 ft · 42 sec
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4
Merge slight left
2.1 mi · 2 min
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5
Continue straight
9.4 mi · 9 min
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6
Keep slight left
12 mi · 13 min
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7
Keep slight right to continue on Connally Loop
1.4 mi · 2 min · Connally Loop
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8
Merge slight left onto Connally Loop
6.7 mi · 7 min · Connally Loop
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9
Take the exit slight right toward I 37, US 281 North: San Antonio, Corpus Christi
1184 ft · 29 sec
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10
Keep slight left to continue on I 37 South: Corpus Christi
2457 ft · 1 min
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11
Merge slight left
118.7 mi · 1 hr 59 min
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12
Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville
31.3 mi · 34 min
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13
Keep slight left to continue on U.S. Highway 77
61.3 mi · 1 hr 9 min · U.S. Highway 77
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14
Keep slight left to continue on U.S. Highway 77
43.7 mi · 47 min · U.S. Highway 77
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15
Continue on North Expressway
2.1 mi · 2 min · North Expressway
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16
Keep slight left to continue on North Expressway
9 mi · 10 min · North Expressway
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17
Take the exit slight right toward 12th-14th Street
1730 ft · 42 sec
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18
Turn straight onto South Expressway
101 m · 9 sec · South Expressway
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19
Turn right onto East 12th Street
1.2 km · 2 min · East 12th Street
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20
Turn right onto East Washington Street
9 m · 1 sec · East Washington Street
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21
Arrive at your destination
0 m · 1 sec · East Washington Street
Car Route Details
A richer read on the saved driving route between Seguin 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.
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.
Chance Showers And Thunderstorms leaving Seguin 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 Seguin to Brownsville?
The road trip is about 303 miles (487.7 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?
Odem is a useful midpoint, sitting about 151.9 miles from Seguin and 151.2 miles from Brownsville.
How much longer is the road route than the straight-line distance?
The direct path is about 254.9 miles (410.3 km), while the road route adds roughly 48.1 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 6:08 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.40 one way or $80.80 round trip. Estimated CO2 is about 95 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Seguin and Mostly Sunny near Brownsville.
Flight Path Map
This map shows the direct air route between Seguin and Brownsville. Straight-line distance: 254.98 mi (410.35 km).
#1 Seguin
City in and the county seat of Guadalupe County, Texas, United States
| Population | 30,165 |
| Coordinates | 29.5688400, -97.9647300 |
| Altitude | 159 |
| 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: 488 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 05m |
| 40 mph (64.37 km/h) | 07h 34m |
| 50 mph (80.47 km/h) | 06h 03m |
| 60 mph (96.56 km/h) | 05h 03m |
| 70 mph (112.65 km/h) | 04h 19m |
| 80 mph (129 km/h) | 03h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $40.40 | $80.80 |
| Mid-grade | $4.25 | $45.45 | $90.91 |
| Premium | $4.59 | $49.08 | $98.16 |
| Diesel | $3.99 | $42.69 | $85.37 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.