How far is Seabrook, TX from Dallas, TX?
The driving distance from Seabrook, TX to Dallas, TX is about 272.2 miles (438 km), with a travel time of about 04h 01m by car.
- The straight-line flight distance is about 246.1 miles (396 km).
- For a round trip, plan for roughly 08h 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 04h 01m.
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 Seabrook and Dallas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seabrook and Dallas.
-
1
Start on the route
33 m · 10 sec
-
2
At the end of the road, turn right onto Anders Avenue
37 m · 10 sec · Anders Avenue
-
3
Turn right onto Main Street
30 m · 5 sec · Main Street
-
4
Continue on East NASA Parkway
5.3 mi · 9 min · East NASA Parkway
-
5
Continue on NASA Bypass
2300 ft · 33 sec · NASA Bypass
-
6
Take the exit slight right toward Sarah Deel Drive, NASA Parkway
656 ft · 16 sec
-
7
Turn straight onto East NASA Parkway
1 km · 1 min · East NASA Parkway
-
8
Continue on NASA Parkway
1.5 km · 2 min · NASA Parkway
-
9
Turn slight right
52 m · 6 sec
-
10
Turn slight right onto Gulf Freeway Frontage Road
2964 ft · 59 sec · Gulf Freeway Frontage Road
-
11
Take the ramp slight left toward I 45 North
1158 ft · 28 sec
-
12
Merge slight left onto Gulf Freeway
22.5 mi · 26 min · Gulf Freeway
-
13
Continue on North Freeway
236.3 mi · 4 hr 8 min · North Freeway
-
14
Take the exit slight right toward Main Street West, Elm Street
1302 ft · 32 sec
-
15
Keep slight right to continue on Elm Street
577 ft · 14 sec
-
16
Turn straight onto Elm Street
1.4 km · 2 min · Elm Street
-
17
Turn right onto North Lamar Street
1233 ft · 31 sec · North Lamar Street
-
18
Arrive at your destination
0 m · 1 sec · North Lamar Street
Car Route Details
A richer read on the saved driving route between Seabrook and Dallas.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
North Freeway
Continue on North Freeway
236 mi · 04h 08m
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.
Clear leaving Seabrook and Sunny near Dallas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seabrook to Dallas?
The road trip is about 272.2 miles (438 km) and usually takes 04h 01m 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 134.5 miles from Seabrook and 137.6 miles from Dallas.
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 26.1 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 8:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.32 one way or $72.63 round trip. Estimated CO2 is about 85.4 kg one way.
What should you check before leaving?
Before you leave, expect Clear around Seabrook and Sunny near Dallas.
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 Seabrook and Dallas. Straight-line distance: 246.06 mi (396 km).
#1 Seabrook
City in Texas, United States
| Population | 13,879 |
| Coordinates | 29.5641200, -95.0254800 |
| Altitude | 3 |
| Country | United States |
#2 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 |
End: North Lamar Street (-96.806574, 32.783135)
Estimated Travel Time
Distance: 438 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 04m |
| 40 mph (64.37 km/h) | 06h 48m |
| 50 mph (80.47 km/h) | 05h 26m |
| 60 mph (96.56 km/h) | 04h 32m |
| 70 mph (112.65 km/h) | 03h 53m |
| 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 | $36.32 | $72.63 |
| Mid-grade | $4.25 | $40.86 | $81.72 |
| Premium | $4.59 | $44.12 | $88.24 |
| Diesel | $3.99 | $38.37 | $76.75 |
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.