How far is Fredericksburg, TX from Brownsville, TX?

The driving distance from Fredericksburg, TX to Brownsville, TX is about 346 miles (556.9 km), with a travel time of about 06h 15m by car.

  • The straight-line flight distance is about 313.5 miles (504.6 km).
  • For a round trip, plan for roughly 12h 30m 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
346.02 mi
06h 15m
Flight
313.57 mi
504.64 km direct

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

Learn Distance

Choose another destination from Fredericksburg.

Flight Distance

Direct air line
313.57 mi
Kilometers
504.64 km
Flight Time
00h 37m

Driving Distance

Road route
346.02 mi
Kilometers
556.87 km
Drive Time
06h 15m

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 15m.

Arrival Snapshot
Arrive in Brownsville
Tue, Apr 28, 5:51 PM CDT
Return by in Fredericksburg
Wed, Apr 29, 12:07 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fredericksburg
2026-04-28T11:36
Arrive Brownsville
Tue, Apr 28, 5:51 PM CDT
Route Timing
06h 15m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:15 PM to 1:45 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
11:30 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Fredericksburg
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
Mathis
TX

City in Texas, United States

From Fredericksburg
173.4 mi
03h 07m
To Brownsville
172.6 mi
03h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
91°F
Tuesday

Mostly Cloudy

Starts
Tue, Apr 28 6:00 AM CDT
Wind
10 mph S
Destination
Brownsville Weather
TX
Live fallback forecast
92°F
Tuesday
Using Cameron Park as the closest live forecast in the Cameron County weather hub.

Sunny

Starts
Tue, Apr 28 6:00 AM CDT
Wind
10 to 17 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on North Adams Street

    29 m · 10 sec · North Adams Street

  2. 2

    Turn left onto East Main Street

    2055 ft · 1 min · East Main Street

  3. 3

    Turn right onto South Washington Street

    1.1 mi · 2 min · South Washington Street

  4. 4

    Continue on South US Highway 87

    20.2 mi · 23 min · South US Highway 87

  5. 5

    Take the ramp left toward I 10 East: San Antonio

    27.2 mi · 28 min

  6. 6

    Keep slight right

    17.4 mi · 20 min

  7. 7

    Keep slight right to continue on McDermott Freeway

    1.7 mi · 2 min · McDermott Freeway

  8. 8

    Take the exit slight right toward Santa Rosa Street, Downtown

    2505 ft · 1 min

  9. 9

    Turn straight onto North Pecos-La Trinidad

    804 ft · 16 sec · North Pecos-La Trinidad

  10. 10

    Keep slight right to continue on North Pecos-La Trinidad

    2963 ft · 1 min · North Pecos-La Trinidad

  11. 11

    Turn left onto Dolorosa Street

    2725 ft · 1 min · Dolorosa Street

  12. 12

    Continue on West Market Street

    1893 ft · 42 sec · West Market Street

  13. 13

    Continue on East Market Street

    2143 ft · 41 sec · East Market Street

  14. 14

    Turn right onto Tower of the Americas Way

    957 ft · 21 sec · Tower of the Americas Way

  15. 15

    Take the ramp slight left toward I 37 South, US 281 South

    1374 ft · 34 sec

  16. 16

    Merge slight left onto William J Bordelon Freeway

    1.4 mi · 2 min · William J Bordelon Freeway

  17. 17

    Continue on Lucian Adams Freeway

    125.1 mi · 2 hr 7 min · Lucian Adams Freeway

  18. 18

    Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville

    31.3 mi · 34 min

  19. 19

    Keep slight left to continue on U.S. Highway 77

    61.3 mi · 1 hr 9 min · U.S. Highway 77

  20. 20

    Keep slight left to continue on U.S. Highway 77

    43.7 mi · 47 min · U.S. Highway 77

  21. 21

    Continue on North Expressway

    2.1 mi · 2 min · North Expressway

  22. 22

    Keep slight left to continue on North Expressway

    9 mi · 10 min · North Expressway

  23. 23

    Take the exit slight right toward 12th-14th Street

    1730 ft · 42 sec

  24. 24

    Turn straight onto South Expressway

    101 m · 9 sec · South Expressway

  25. 25

    Turn right onto East 12th Street

    1.2 km · 2 min · East 12th Street

  26. 26

    Turn right onto East Washington Street

    9 m · 1 sec · East Washington Street

  27. 27

    Arrive at your destination

    0 m · 1 sec · East Washington Street

Car Route Details

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

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
27 steps
8 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
7.8 / 100 mi
Decision points by distance
Main Roads
Lucian Adams Freeway
125 mi · 36%
U.S. Highway 77
105 mi · 30%
I 10 East
44.6 mi · 13%
I 69E
31.3 mi · 9%
South US Highway 87
20.2 mi · 6%
North Expressway
11.1 mi · 3%
Longest Stretch

Lucian Adams Freeway

Continue on Lucian Adams Freeway

125 mi · 02h 07m

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 15m
Overnight route
Same-Day Return
12h 30m
Round-trip wheel time
Road vs Air
+32.5 mi
313.5 mi direct line
Halfway Stop
Mathis
03h 07m from Fredericksburg
Leave By
11:30 PM CDT
Overnight-style route
Weather Watch

Mostly Cloudy leaving Fredericksburg and Sunny near Brownsville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 346 miles (556.9 km) and usually takes 06h 15m 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?

Mathis is a useful midpoint, sitting about 173.4 miles from Fredericksburg and 172.6 miles from Brownsville.

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

The direct path is about 313.5 miles (504.6 km), while the road route adds roughly 32.5 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 $46.14 one way or $92.28 round trip. Estimated CO2 is about 108.5 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Fredericksburg and Brownsville. Straight-line distance: 313.57 mi (504.64 km).

Fredericksburg

#1 Fredericksburg

City in Texas, United States

Population11,519
Coordinates30.2752000, -98.8719800
Altitude516
CountryUnited States
Brownsville

#2 Brownsville

The southernmost city in Texas.

Population183,428
Coordinates25.9017500, -97.4974800
Altitude10
CountryUnited States
Start: Fredericksburg (-98.87198, 30.2752)
End: Brownsville (-97.49748, 25.90175)

Estimated Travel Time

Distance: 557 km by road

SpeedTime
30 mph (48.3 km/h)11h 31m
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
12.21 gal
46.22 L · about $46.14
Round trip
$92.28
24.42 gal · 92.44 L
Estimated CO2
108.5 kg one way
Round trip: 217 kg / 478 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $46.14 $92.28
Mid-grade $4.25 $51.92 $103.83
Premium $4.59 $56.06 $112.11
Diesel $3.99 $48.75 $97.51

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 28, 2026

There is no time difference between Fredericksburg and Brownsville. The current time is 11:36:47.

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.