How far is Dallas, TX from Seabrook, TX?
The driving distance from Dallas, TX to Seabrook, TX is about 271.5 miles (436.9 km), with a travel time of about 04h 53m by car.
- The straight-line flight distance is about 246.1 miles (396 km).
- For a round trip, plan for roughly 09h 46m 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 04h 53m.
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 Leon County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Dallas and Seabrook.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dallas and Seabrook.
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1
Start on North Lamar Street
132 m · 16 sec · North Lamar Street
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2
Turn right onto McKinney Avenue
1118 ft · 25 sec · McKinney Avenue
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3
Take the ramp slight left toward US 75 North
1229 ft · 30 sec
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4
Merge slight left onto Woodall Rodgers Freeway
2170 ft · 37 sec · Woodall Rodgers Freeway
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5
Keep slight right to continue on I 45 South: Houston
2537 ft · 49 sec
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6
Merge slight left onto Julius Schepps Freeway
3.1 mi · 4 min · Julius Schepps Freeway
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7
Keep slight left to continue on Julius Schepps Freeway
210.2 mi · 3 hr 37 min · Julius Schepps Freeway
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8
Take the exit slight right toward Hardy Toll Road South
21.9 mi · 25 min
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9
Keep slight left to continue on I 610 East
1.3 km · 2 min
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10
Merge slight left onto North Loop East
10.5 mi · 13 min · North Loop East
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11
Take the exit slight right toward TX 225 East: Pasadena, La Porte
3182 ft · 1 min
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12
Merge slight right onto La Porte Freeway
2.1 mi · 3 min · La Porte Freeway
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13
Continue on Pasadena Freeway
5.1 mi · 6 min · Pasadena Freeway
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14
Continue on La Porte Freeway
6.8 mi · 8 min · La Porte Freeway
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15
Keep slight right to continue on TX 146 South: La Porte
2908 ft · 1 min
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16
Merge slight left
7.8 mi · 10 min
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17
Take the exit slight right
2698 ft · 1 min
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18
Turn straight onto Bayport Boulevard
32 m · 5 sec · Bayport Boulevard
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19
Turn left onto East NASA Parkway
85 m · 14 sec · East NASA Parkway
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20
Turn left onto Anders Avenue
37 m · 10 sec · Anders Avenue
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21
Turn left
33 m · 8 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Dallas 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.
Julius Schepps Freeway
Keep slight left to continue on Julius Schepps Freeway
210 mi · 03h 37m
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.
Sunny leaving Dallas and Sunny near Seabrook.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dallas to Seabrook?
The road trip is about 271.5 miles (436.9 km) and usually takes 04h 53m 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?
Leona is a useful midpoint, sitting about 136 miles from Dallas and 135.5 miles from Seabrook.
How much longer is the road route than the straight-line distance?
The direct path is about 246.1 miles (396 km), while the road route adds roughly 25.4 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 7:14 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.20 one way or $72.41 round trip. Estimated CO2 is about 85.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dallas and Sunny near Seabrook.
Stop Ideas Near Leona
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 Leona.
Bryan, TX
Waco, TX
Flight Path Map
This map shows the direct air route between Dallas and Seabrook. Straight-line distance: 246.06 mi (396 km).
#1 Dallas
The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
| Population | 1,343,266 |
| Coordinates | 32.7830600, -96.8066700 |
| Altitude | 128 |
| 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: 437 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 02m |
| 40 mph (64.37 km/h) | 06h 47m |
| 50 mph (80.47 km/h) | 05h 25m |
| 60 mph (96.56 km/h) | 04h 31m |
| 70 mph (112.65 km/h) | 03h 52m |
| 80 mph (129 km/h) | 03h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $36.20 | $72.41 |
| Mid-grade | $4.25 | $40.73 | $81.47 |
| Premium | $4.59 | $43.98 | $87.96 |
| Diesel | $3.99 | $38.25 | $76.51 |
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 · May 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.