How far is Montopolis, TX from Seabrook, TX?
The driving distance from Montopolis, TX to Seabrook, TX is about 188.2 miles (302.8 km), with a travel time of about 03h 31m by car.
- The straight-line flight distance is about 166.4 miles (267.8 km).
- For a round trip, plan for roughly 07h 03m 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 03h 31m.
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 Colorado County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Montopolis and Seabrook.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montopolis and Seabrook.
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1
Start on 183 Toll South: Lockhart
67 m · 5 sec
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2
Merge slight left onto Bergstrom Expressway
1.3 km · 47 sec · Bergstrom Expressway
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3
Continue on Bastrop Highway
2119 ft · 26 sec · Bastrop Highway
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4
Take the exit slight left toward TX 71 East: Austin-Bergstrom International Airport
2541 ft · 1 min
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5
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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6
Turn straight onto Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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7
Continue on East State Highway 71
2388 ft · 29 sec · East State Highway 71
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8
Continue on Texas State Highway 71
137 mi · 2 hr 25 min · Texas State Highway 71
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9
Take the exit slight left toward I 10 Toll: Katy Tollway
1548 ft · 22 sec
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10
Merge slight left onto Katy Tollway
3.2 mi · 4 min · Katy Tollway
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11
Take the exit slight right
1092 ft · 15 sec
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12
Merge slight right onto Katy Freeway
10.3 mi · 13 min · Katy Freeway
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13
Take the exit slight left toward I 45 South: Galveston
819 ft · 20 sec
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14
Merge slight left onto Gulf Freeway
22.1 mi · 26 min · Gulf Freeway
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15
Take the exit slight right toward FM 528: NASA Parkway
1281 ft · 27 sec
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16
Turn straight onto Gulf Freeway Frontage Road
1.2 km · 1 min · Gulf Freeway Frontage Road
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17
Turn left onto NASA Parkway
1 mi · 2 min · NASA Parkway
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18
Continue on East NASA Parkway
3245 ft · 1 min · East NASA Parkway
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19
Take the ramp slight left toward NASA 1 East
1017 ft · 25 sec
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20
Merge slight left onto NASA Bypass
2150 ft · 31 sec · NASA Bypass
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21
Continue on East NASA Parkway
5.3 mi · 9 min · East NASA Parkway
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22
Turn left onto Anders Avenue
37 m · 10 sec · Anders Avenue
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23
Turn left
33 m · 8 sec
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24
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Montopolis and Seabrook.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Texas State Highway 71
Continue on Texas State Highway 71
137 mi · 02h 25m
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 Montopolis and Showers And Thunderstorms near Seabrook.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Montopolis to Seabrook?
The road trip is about 188.2 miles (302.8 km) and usually takes 03h 31m 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?
Columbus is a useful midpoint, sitting about 94 miles from Montopolis and 94.1 miles from Seabrook.
How much longer is the road route than the straight-line distance?
The direct path is about 166.4 miles (267.8 km), while the road route adds roughly 21.8 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 9:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.09 one way or $50.19 round trip. Estimated CO2 is about 59 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Montopolis and Showers And Thunderstorms near Seabrook.
Stop Ideas Near Columbus
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Columbus.
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Houston, TX
Flight Path Map
This map shows the direct air route between Montopolis and Seabrook. Straight-line distance: 166.37 mi (267.75 km).
#1 Montopolis
This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas.
| Population | 912,791 |
| Coordinates | 30.2432700, -97.6905600 |
| Altitude | 143 |
| Country | United States |
#2 Seabrook
City in Texas, United States
| Population | 13,879 |
| Coordinates | 29.5641200, -95.0254800 |
| Altitude | 3 |
| Country | United States |
End: Seabrook (-95.02548, 29.56412)
Estimated Travel Time
Distance: 303 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 16m |
| 40 mph (64.37 km/h) | 04h 42m |
| 50 mph (80.47 km/h) | 03h 45m |
| 60 mph (96.56 km/h) | 03h 08m |
| 70 mph (112.65 km/h) | 02h 41m |
| 80 mph (129 km/h) | 02h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $25.09 | $50.19 |
| Mid-grade | $4.25 | $28.23 | $56.47 |
| Premium | $4.59 | $30.48 | $60.97 |
| Diesel | $3.99 | $26.51 | $53.03 |
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.