How far is Brownsville, TX from Conroe, TX?
The driving distance from Brownsville, TX to Conroe, TX is about 393.1 miles (632.7 km), with a travel time of about 07h 49m by car.
- The straight-line flight distance is about 329.1 miles (529.7 km).
- For a round trip, plan for roughly 15h 39m 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 07h 49m.
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 Cloudy then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Brownsville and Conroe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brownsville and Conroe.
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1
Start on East Washington Street
1682 ft · 41 sec · East Washington Street
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2
Turn right onto East 7th Street
1.5 km · 2 min · East 7th Street
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3
Turn left onto North Frontage Road
999 ft · 20 sec · North Frontage Road
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4
Take the ramp slight left toward I 69E North, US 77 North, US 83 North
2235 ft · 55 sec
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5
Merge slight left onto North Expressway
10.6 mi · 12 min · North Expressway
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6
Continue on U.S. Highway 77
102 mi · 1 hr 53 min · U.S. Highway 77
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7
Keep slight left
1157 ft · 14 sec
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8
Merge slight right
1.2 mi · 1 min
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9
Continue on U.S. Highway 77
11.6 mi · 13 min · U.S. Highway 77
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10
Take the exit slight right
1410 ft · 34 sec
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11
Turn straight onto US Highway 77 Frontage Road
148 m · 18 sec · US Highway 77 Frontage Road
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12
Turn right onto County Road 10
1 mi · 4 min · County Road 10
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13
Turn left onto County Road 79
4 mi · 16 min · County Road 79
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14
Turn left onto County Road 18
848 ft · 44 sec · County Road 18
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15
Turn sharp right
1.1 mi · 3 min
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16
Take the ramp straight
2351 ft · 57 sec
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17
Merge slight left onto Driscoll Bypass
2.3 mi · 2 min · Driscoll Bypass
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18
Continue on U.S. Highway 77
13.2 mi · 14 min · U.S. Highway 77
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19
Merge slight left
1.4 mi · 1 min
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20
Keep slight left
1.3 km · 50 sec
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21
Continue straight
141 m · 5 sec
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22
Take the exit slight right toward Sinton, Victoria
37.6 mi · 44 min
-
23
Turn slight right onto United States Highway 77
33 mi · 37 min · United States Highway 77
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24
Keep slight left to continue on Spur 91
1.5 mi · 2 min · Spur 91
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25
Merge slight left onto US Highway 59 South
88.6 mi · 1 hr 38 min · US Highway 59 South
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26
Take the exit slight right
1551 ft · 38 sec
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27
Continue on 59 Northbound Frontage Road
1.6 mi · 2 min · 59 Northbound Frontage Road
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28
Continue straight
2146 ft · 59 sec
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29
Continue on US 59 Northbound Frontage Road
2 mi · 5 min · US 59 Northbound Frontage Road
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30
Continue on Southwest Freeway Frontage Road
1.3 mi · 3 min · Southwest Freeway Frontage Road
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31
Take the ramp slight left toward I 69 North, US 59 North
1304 ft · 32 sec
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32
Merge slight left onto Southwest Freeway
20.1 mi · 22 min · Southwest Freeway
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33
Take the exit slight right toward Sam Houston Tollway
1215 ft · 17 sec
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34
Keep slight left
1.1 km · 1 min
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35
Merge slight left onto West Sam Houston Parkway South
1 km · 43 sec · West Sam Houston Parkway South
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36
Continue on West Sam Houston Tollway South
12.2 mi · 14 min · West Sam Houston Tollway South
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37
Take the exit slight right toward West Sam Houston Tollway North
2106 ft · 27 sec · West Sam Houston Tollway North
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38
Merge slight left onto West Sam Houston Tollway North
9.8 mi · 11 min · West Sam Houston Tollway North
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39
Keep slight right to continue on North Sam Houston Tollway West
2.6 mi · 3 min · North Sam Houston Tollway West
-
40
Continue on North Sam Houston Parkway West
1.2 km · 53 sec · North Sam Houston Parkway West
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41
Take the exit slight right toward I 45 North, I 45 South: Dallas, Downtown
952 ft · 23 sec
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42
Keep slight left to continue on I 45 North: Dallas
1.5 mi · 3 min
-
43
Merge slight left onto North Freeway
21.7 mi · 25 min · North Freeway
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44
Take the exit slight right toward TX 75 North, Loop 336: Frazier Street
1292 ft · 32 sec
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45
Turn straight onto Interstate 45 North Frontage Road
3018 ft · 1 min · Interstate 45 North Frontage Road
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46
Turn right onto South Loop 336 West
68 m · 8 sec · South Loop 336 West
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47
Turn left onto South Frazier Street
1 mi · 2 min · South Frazier Street
-
48
Continue on South Frazier Street
1.2 mi · 2 min · South Frazier Street
-
49
Turn right onto West Davis Street
1808 ft · 39 sec · West Davis Street
-
50
Turn right onto North Pacific Street
31 m · 5 sec · North Pacific Street
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51
Arrive at your destination
0 m · 1 sec · North Pacific Street
Car Route Details
A richer read on the saved driving route between Brownsville and Conroe.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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 Brownsville and Mostly Cloudy then Slight Chance Showers And Thunderstorms near Conroe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brownsville to Conroe?
The road trip is about 393.1 miles (632.7 km) and usually takes 07h 49m 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?
Refugio is a useful midpoint, sitting about 196.9 miles from Brownsville and 196.2 miles from Conroe.
How much longer is the road route than the straight-line distance?
The direct path is about 329.1 miles (529.7 km), while the road route adds roughly 64 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 $52.41 one way or $104.83 round trip. Estimated CO2 is about 123.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Brownsville and Mostly Cloudy then Slight Chance Showers And Thunderstorms near Conroe.
Flight Path Map
This map shows the direct air route between Brownsville and Conroe. Straight-line distance: 329.11 mi (529.65 km).
#1 Brownsville
The southernmost city in Texas.
| Population | 183,428 |
| Coordinates | 25.9017500, -97.4974800 |
| Altitude | 10 |
| Country | United States |
#2 Conroe
The third most populous city in Montgomery County, Texas.
| Population | 96,214 |
| Coordinates | 30.3118800, -95.4560500 |
| Altitude | 67 |
| Country | United States |
End: Conroe (-95.45605, 30.31188)
Estimated Travel Time
Distance: 633 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 05m |
| 40 mph (64.37 km/h) | 09h 49m |
| 50 mph (80.47 km/h) | 07h 51m |
| 60 mph (96.56 km/h) | 06h 33m |
| 70 mph (112.65 km/h) | 05h 36m |
| 80 mph (129 km/h) | 04h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $52.41 | $104.83 |
| Mid-grade | $4.25 | $58.98 | $117.95 |
| Premium | $4.59 | $63.68 | $127.35 |
| Diesel | $3.99 | $55.38 | $110.77 |
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.