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Trip from Forest Hill, TX to Brownsville, TX

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Oct 23, 2026 · Editorial standards

Drive Time

9h 27m

Distance

516.5 mi

831 km

Drive Score

7/10

Good drive

Same Day?

2-day trip

Fuel Cost

$78

one way

EV Charging

Unknown

Best Time to Leave

Save up to 26 min
4 AM
9h 19m ★
6 AM
9h 28m
8 AM
9h 45m
10 AM
9h 34m
12 PM
9h 32m
3 PM
9h 35m
5 PM
9h 44m
8 PM
9h 23m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Downtown Forest Hill, TX, TX

Forest Hill, TX

Eddie O.

Downtown Brownsville, TX, TX

Brownsville, TX

Eddie O.

Trip Overview

This 516.5-mile journey from Forest Hill, TX to Brownsville, TX spans approximately 9 hours and 27 minutes, making it a substantial long-distance drive. You'll primarily navigate U.S. Highway 77, South Freeway, and TX 130 Toll, with 87% of the route on highways. Given its length, this trip is best split over two days to avoid excessive fatigue. The estimated fuel cost for this drive is around $78. This route traverses the Great Plains region for both its origin and destination, offering a consistent, expansive landscape.

Trip Pace

Best split across 2 days

Treat the return leg as its own travel day rather than an afterthought.

Break Rhythm

2 planned breaks

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

258.3 miles from Forest Hill, TX

A natural place for your longest stop of the day , about 4h 35m into the drive .

Main Roads

Road Distance Duration
U.S. Highway 77 105 mi 1h 56m
South Freeway 78 mi 1h 20m
TX 130 Toll 58.5 mi 54m
TX 80 51.2 mi 56m
South US Highway 181 40.2 mi 45m
Purple Heart Trail 37.9 mi 39m
I 69E 31.3 mi 33m
I 35 26.5 mi 26m
Longest stretch: U.S. Highway 77 — 105 mi, about 1h 56m

Traffic on I-35

Hour-of-day weekday pattern from 52 FHWA count stations on your route.

Peak

4 PM

~2,504 veh/hr typical · worst 3,276

Quietest

2 AM

~399 veh/hr

Peak-to-quiet ratio

6.3×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 104 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between Forest Hill, TX and Brownsville, TX.

1

Start on Duncan Drive

297 ft · 14 sec · Duncan Drive
2

Turn right onto Forest Haven Drive

0.3 mi · 1 min · Forest Haven Drive
3

At end of road, turn right onto Grady Street

0.1 mi · 35 sec · Grady Street
4

Turn left onto Banbury Drive

0.2 mi · 41 sec · Banbury Drive
5

Turn right onto Duer Drive

492 ft · 27 sec · Duer Drive
6

Turn left onto Forest Hill Drive

0.3 mi · 40 sec · Forest Hill Drive
7

Turn right onto Southeast Loop 820

0.4 mi · 39 sec · Southeast Loop 820
8

Take the ramp

0.2 mi · 26 sec
Toward I 20 West Use the slight left lane.
9

Merge onto I 20

2.0 mi · 2 min · Ronald Reagan Memorial Highway
Use the straight / slight right lanes.
10

Take the exit

0.2 mi · 28 sec
Exit 437 Toward I 35W South, I 35W North: Waco, Denton Use the straight / slight right lanes.
11

Keep slight left at fork

0.9 mi · 1 min
Toward I 35W South: Waco Use the straight / slight right lanes.
12

Merge onto I 35W

78 mi · 1 hr 20 min · South Freeway
Use the straight / slight right lanes.
13

Continue on I 35; US 77

6.6 mi · 7 min · North Jack Kultgen Expressway
Use the straight / slight right lanes.
14

Continue on I 35

38 mi · 39 min · Purple Heart Trail
Use the straight / slight right lanes.
15

Keep slight left at fork onto I 35

26 mi · 26 min · I 35
Use the straight / slight right lanes.
16

Take the exit

0.7 mi · 55 sec
Exit 265 Toward TX 130 Toll South: San Antonio Use the slight right lane.
17

Continue on TX 130 Toll

59 mi · 54 min · TX 130 Toll
Use the straight / slight right lanes.
18

Take the exit

0.2 mi · 29 sec
Exit 470 Toward US 183 South: Lockhart Use the straight / slight right lanes.
19

Continue on US 183

0.5 mi · 35 sec · United States Highway 183
20

Continue on US 183

4.9 mi · 8 min · North Colorado Street
21

Continue on US 183

10 mi · 11 min · US 183
22

Continue on US 183

4.2 mi · 6 min · North Magnolia Avenue
23

Continue on TX 80

51 mi · 56 min · TX 80
24

Turn slight left onto FM 792

8.4 mi · 10 min · Farm-to-Market Road 792
25

Continue on TX 72; TX 239

0.8 mi · 1 min · East Main Street
26

Turn left onto US 181

1.2 mi · 1 min · South Sunset Strip Drive
27

Continue on US 181

40 mi · 45 min · South US Highway 181
28

Continue on US 181

0.8 mi · 55 sec · North 8th Street
29

Continue on US 181

16 mi · 18 min · US Highway 181 South
30

Take the exit onto US 181

0.3 mi · 45 sec · US 181
31

Keep slight right at fork onto US 181

213 ft · 5 sec · US Route 181
32

Turn straight onto US 181

0.7 mi · 1 min · US Highway 181
33

Take the ramp

0.4 mi · 46 sec
34

Merge onto US 77

12 mi · 13 min · US 77
35

Take the exit onto US 77

0.1 mi · 13 sec · US 77
Toward I 37, US 77, I 69E
36

Keep slight left at fork

0.4 mi · 47 sec
37

Merge onto I 37; US 77; I 69E

2.5 mi · 2 min · I 37; US 77; I 69E
Use the straight lane.
38

Take the exit onto I 69E; US 77

31 mi · 33 min · I 69E; US 77
Toward I 69E, US 77: Kingsville, Brownsville Use the straight / slight right lanes.
39

Keep slight left at fork onto US 77

61 mi · 1 hr 9 min · U.S. Highway 77
40

Keep slight left at fork onto I 69E; US 77

44 mi · 46 min · U.S. Highway 77
Use the straight / slight right lanes.
41

Continue on I 69E; US 77; US 83

2.1 mi · 2 min · North Expressway
42

Keep slight left at fork onto I 69E; US 77; US 83

9.0 mi · 10 min · North Expressway
Use the straight / slight right lanes.
43

Take the exit

0.3 mi · 42 sec
Exit 1B Toward 12th-14th Street Use the slight right lane.
44

Turn straight onto South Expressway

331 ft · 8 sec · South Expressway
45

Turn right onto East 12th Street

0.7 mi · 1 min · East 12th Street
Use the right lane.
46

Turn right onto US 77 Business

29 ft · 0 sec · East Washington Street
47

Arrive at destination

US 77 Business

Trip Plan

For this 9.5-hour drive, plan to depart early to maximize daylight and break up the 516.5 miles into two manageable segments. With two recommended stops, consider dividing the drive roughly in half to ensure ample rest. Keep an eye on your fuel levels, especially during the longest stretch of 105 miles on U.S. Highway 77, as services can sometimes be spaced out on major highways. The estimated $78 fuel cost should help you budget accordingly, but always factor in a buffer for unexpected needs.

Morning Departure

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Evening Departure

This is a long drive — plan for a morning departure or consider splitting it into two days.

This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 258.3 miles from Forest Hill, TX, or about 4h 35m into the drive.
The longest continuous stretch on this route runs about 105 miles.

Consider an overnight stop or starting very early.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 114 miles or 2h 3m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 258.3 miles or 4h 35m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Overnight split

Day 1 wrap after about 258.3 miles or 4h 35m

Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.

Final approach

Final hour starts around 8h 21m

Traffic, exits, and arrival timing usually matter more near Brownsville, TX than in the middle of the route.

Before You Leave

+

Open the route before leaving Forest Hill, TX so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

+

Pick one backup stop option before the midpoint in case traffic changes your pacing.

+

Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.

Day 1

Settle into the route from Forest Hill, TX

Aim for roughly 258 miles and 4.7 hours of wheel time on this day.

Day 2

Finish the approach into Brownsville, TX

Aim for roughly 258 miles and 4.7 hours of wheel time on this day.

Your first comfortable stop window is around 114 miles from Forest Hill, TX.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on U.S. Highway 77 for about 105 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Downtown San Antonio, TX, TX

First major stop

Coffee and fuel

San Antonio, TX

170 mi into the route

Best for: Coffee, fuel, and an easy first stretch

This is a natural early stop once the first hours of the drive are behind you.

Overnight Options

Night 1

San Antonio, TX

258 mi · about 4.7h in

A practical overnight split lands near San Antonio, TX after about 258 miles or 4.7 hours of driving.

Find hotels

Pacing Suggestions

Burleson, TX

Fuel and coffee

A short stop after about 114 miles helps settle the day before fatigue starts building.

San Antonio, TX

Meal break

The midpoint is around 258.3 miles from Forest Hill, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before U.S. Highway 77 if your tank is already low. That segment runs about 105 miles.

Overnight split

Hotel stop

For a steadier pace, wrap day one after about 258 miles or 4.7 hours on the road.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Quality Services Towing & Tires

0 mi from route

Bell County Northbound Rest Area

0 mi from route

Hill County Northbound Rest Area

0.1 mi from route

Pilot Travel Center

0.1 mi from route

Kenedy County Rest Area

0.1 mi from route

Texas Travel Information Center at Harlingen

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Walburg Travel Center & Food Court

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Road Ranger

0.1 mi from route

Buc-ee's

0.1 mi from route

Service Plaza

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

Circle K

0.1 mi from route

Love's Travel Stop

0.2 mi from route

Flying J Travel Plaza

0.2 mi from route

Pilot Travel Center

0.2 mi from route

Hill County Southbound Rest Area

0.2 mi from route

QuikTrip

0.2 mi from route

Road Ranger

0.2 mi from route

Love's Travel Stop

0.2 mi from route

Love's Travel Stop

0.2 mi from route

Buc-ee's

0.2 mi from route

TA

0.3 mi from route

Service Plaza

0.3 mi from route

QuikTrip

0.3 mi from route

Bell County Southbound Rest Area

0.4 mi from route

San Patricio County Northbound Rest Area

2.1 mi from route

Washington Plaza

4.6 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.3 mi from route ~1 min detour

Brownsville, Texas

Hours: Open 24 hours

+19565422064

Visit website

Stillman House Museum

4.6 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.1 mi from route

Brownsville, Texas

Hours: 10 am–4 pm

+19565415560

Visit website

Gladys Porter Zoo

4.6 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.8 mi from route ~2 min detour

Brownsville, Texas

Hours: 9 am–5 pm

+19565467187

Visit website

Southern Pacific Linear Park

4.7 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.8 mi from route ~2 min detour

Brownsville, TX

Hours: 7 am–10 pm

+19565422064

Visit website

Children's Museum of Brownsville

4.6 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 1 mi from route ~3 min detour

Brownsville, TX

Hours: 10 am–5 pm

+19565489300

Visit website

Lincoln Park

4.4 ★ ★ ★ ★ ☆

Near the end, short detour

Home stretch 1.1 mi from route ~3 min detour

Brownsville, Texas

Hours: 8 am–10 pm

+19569974875

Visit website

Get Air Trampoline Park

4.2 ★ ★ ★ ★ ☆

Near the end, short detour

Home stretch 1.8 mi from route ~4 min detour

Brownsville, Texas

Hours: 10 am–8 pm

+19564293782

Visit website

Tony Gonzalez Park

4.4 ★ ★ ★ ★ ☆

Near the end, short detour

Home stretch 1.9 mi from route ~5 min detour

Brownsville, Texas

Hours: Closed

+19565416202

Visit website

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 29

5 decision points cluster between mile 3.6 and 367.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

8
3.6 mi into trip | ~7m in

Take the exit toward I 35W South, I 35W North: Waco, Denton

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 437 Toward I 35W South, I 35W North: Waco, Denton
7
3.8 mi into trip | ~7m in

Keep slight left at fork toward I 35W South: Waco

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes. Toward I 35W South: Waco
7
153.7 mi into trip | ~2h 43m in

Take the exit toward TX 130 Toll South: San Antonio

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Exit 265 Toward TX 130 Toll South: San Antonio
7
212.9 mi into trip | ~3h 39m in

Take the exit toward US 183 South: Lockhart

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 470 Toward US 183 South: Lockhart
7
367.9 mi into trip | ~6h 42m in | I 69E; US 77

Take the exit onto I 69E; US 77 toward I 69E, US 77: Kingsville, Brownsville

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward I 69E, US 77: Kingsville, Brownsville

Fuel & Cost

Regular Gas

$77.54 one way

$155.07 round trip

$3.81/gal 25.4 MPG avg 181 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.22 $85.79 $171.58
premium $4.57 $92.83 $185.66
diesel $6.28 $127.62 $255.24

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$78

Hotel (1n)

$80–$140

Meals

$50–$100

Total

$208–$318

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 180.7 kg one way. Prices: EIA weekly data, 2026-10-19.

Driving Electric?

About $54 in charging · 1 stop · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 155 1 $54.23 $24.79
Efficient EV 129.1 1 $45.19 $20.66
EV Truck/SUV 206.6 2 $72.31 $33.06

Gas CO2

181 kg

EV CO2

60 kg (67% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Oct 19, 2026

Origin

Forest Hill, TX

Afternoon in Forest Hill on Friday

Local time

4:05 PM

CDT

Current temp

50°F

Partly Cloudy

0 mph 0% chance Live forecast

Destination

Brownsville, TX

Afternoon in Brownsville on Friday

Local time

4:05 PM

CDT

Current temp

68°F

Mostly Cloudy

NNW 7 mph 1% chance Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

18 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

9h 27m on the road

This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

National Parks Near This Route

Worth a detour if your schedule allows.

Waco Mammoth National Monument

Waco Mammoth National Monument

National Monument

Standing as tall as 14 feet and weighing 20,000 pounds, Columbian mammoths roamed across what is present-day Texas thousands of years ago. Today, the fossil specimens represent the nation's first and...

7 mi from route ~18 min detour Free near mile 89.1
View on nps.gov
Palo Alto Battlefield National Historical Park

Palo Alto Battlefield National Historical Park

National Historical Park

On May 8, 1846, U.S. and Mexican troops clashed on the prairie of Palo Alto. The battle was the first in a two-year long war that changed the map of North America. Although the two countries have deve...

9 mi from route ~22 min detour Free near mile 516.5
View on nps.gov
Padre Island National Seashore

Padre Island National Seashore

National Seashore

Protecting sixty-six miles of wild coastline along the Gulf of America, the narrow barrier island is home to one of the last intact coastal prairie habitats in the United States. Along the hypersaline...

27 mi from route ~67 min detour $25 near mile 427.5
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

Expect a high percentage of highway driving on this route, with 87% of the 516.5 miles on major roadways. The longest uninterrupted stretch you'll encounter is 105 miles along U.S. Highway 77. While much of this drive features the efficiency of highway travel, be prepared for varied road conditions as you transition between different highway types and potentially some local access roads. This profile suggests a journey focused on covering distance rather than a winding, scenic exploration.

87% highway — fuel and pacing are the main things to plan.
47 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 105 mi on U.S. Highway 77.

How Hard Is This Drive?

10/10

This is a straightforward highway drive that stays mostly on U.S. Highway 77 and South Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.6 miles in.

Driving Effort 10/10

High effort - long or complex enough to need steady focus all day

Balances navigation complexity with total wheel time.

This is a demanding drive. With 29 significant decision points across 516.5 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 3.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 3.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 153.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Elevation Profile

Mostly flat terrain

933 ft 24 ft

Total Climb

443 ft

Total Descent

1,089 ft

Highest Point

933 ft

~147.6 mi in

Elevation Range

909 ft

About the Cities

Arriving in Brownsville, TX

Full guide →

Founded 1849

Located at the southernmost tip of Texas, Brownsville is a popular location for Mexican and American beach tourists. It is part of the Rio Grande Valley, a four-county region known for its abundance in citrus fruit production and Winter Texan population. The city features a combination of different climate regimes: Gulf Coast plains and the Great Plains. There is a lot to do in this city: historical museums, art galleries, beaches, birding locations and natural wildlife refuges. As Brownsville is a border town, its culture is predominantly Hispanic.

Top landmarks

  • • USS Cabot — 1943 Independence-class aircraft carrier
  • • Fort Brown — former US Amy post in Texas
  • • Palo Alto Battlefield National Historical Park — historic site in Brownsville (vicinity), Cameron County, Texas

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Frequently Asked Questions

The longest stretch is about 105 miles on U.S. Highway 77. The full list of main roads is in the Roads section above.

Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 258 miles on day one.

Yes — we found about 32 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Brownsville, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 32 rest areas along the route for bathroom stops.

The main spots that need attention: at 3.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 3.8 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 153.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Yes — Waco Mammoth National Monument, Palo Alto Battlefield National Historical Park and Padre Island National Seashore. See the National Parks section for detour distances and tips on detours.

Not recommended in a single day. At 9.5 hours each way, a round trip means 18.9 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Brownsville, TX before the return drive.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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