How far is Houston, TX from Port Aransas, TX?
The driving distance from Houston, TX to Port Aransas, TX is about 209.3 miles (336.8 km), with a travel time of about 04h 12m by car.
- The straight-line flight distance is about 168.3 miles (270.9 km).
- For a round trip, plan for roughly 08h 24m 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 12m.
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 Jackson County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Mostly Clear
Driving Route Map
The map below follows the saved road route between Houston and Port Aransas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Port Aransas.
-
1
Start on Louisiana Street
45 m · 12 sec · Louisiana Street
-
2
Turn left onto Congress Street
91 m · 15 sec · Congress Street
-
3
Turn left onto Smith Street
2.7 mi · 6 min · Smith Street
-
4
Merge slight left onto Southwest Freeway
32.8 mi · 38 min · Southwest Freeway
-
5
Take the exit slight right toward Spur 10: Cottonwood, Church Road, Hartledge Road
1158 ft · 28 sec
-
6
Turn straight onto Southwest Freeway Frontage Road
1.5 km · 2 min · Southwest Freeway Frontage Road
-
7
Continue on Southwest Freeway Frontage Road
2217 ft · 1 min · Southwest Freeway Frontage Road
-
8
Continue on US 59 Southbound Frontage Road
1.4 km · 2 min · US 59 Southbound Frontage Road
-
9
Take the ramp straight
1027 ft · 25 sec
-
10
Merge slight left
9.2 mi · 11 min
-
11
Keep slight left
6.6 mi · 8 min
-
12
Take the exit slight right
1.5 mi · 2 min
-
13
Continue on US Highway 59
74.7 mi · 1 hr 22 min · US Highway 59
-
14
Keep slight left to continue on Spur 91
1.6 km · 1 min · Spur 91
-
15
Merge slight right onto US Highway 77 South
33.2 mi · 38 min · US Highway 77 South
-
16
Turn straight onto Alamo Street
1.9 mi · 3 min · Alamo Street
-
17
Turn left onto East Empresario Street
1.5 mi · 2 min · East Empresario Street
-
18
Turn right
9.6 mi · 10 min
-
19
Continue on Farm to Market Road 136
10 mi · 12 min · Farm to Market Road 136
-
20
Turn left onto State Highway 188
9.7 mi · 10 min · State Highway 188
-
21
Turn right onto State Highway 35 North
3.2 mi · 4 min · State Highway 35 North
-
22
Continue on North Commercial Street
3084 ft · 1 min · North Commercial Street
-
23
Keep slight left to continue on North Commercial Street
1.2 km · 2 min · North Commercial Street
-
24
Turn left onto East Goodnight Avenue
6.4 mi · 9 min · East Goodnight Avenue
-
25
Continue on Aransas Pass - Port Aransas, Mustang Island
1593 ft · 5 min · Aransas Pass - Port Aransas, Mustang Island
-
26
Continue straight
666 ft · 11 sec
-
27
Continue on West Cotter Avenue
2451 ft · 56 sec · West Cotter Avenue
-
28
Turn right onto North Alister Street
1373 ft · 43 sec · North Alister Street
-
29
Turn left
29 m · 9 sec
-
30
Turn left
39 m · 9 sec
-
31
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Houston and Port Aransas.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US Highway 59
Continue on US Highway 59
74.7 mi · 01h 22m
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 Houston and Mostly Clear near Port Aransas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Port Aransas?
The road trip is about 209.3 miles (336.8 km) and usually takes 04h 12m 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?
Edna is a useful midpoint, sitting about 104.7 miles from Houston and 104.6 miles from Port Aransas.
How much longer is the road route than the straight-line distance?
The direct path is about 168.3 miles (270.9 km), while the road route adds roughly 41 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 8:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.89 one way or $55.78 round trip. Estimated CO2 is about 65.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Houston and Mostly Clear near Port Aransas.
Flight Path Map
This map shows the direct air route between Houston and Port Aransas. Straight-line distance: 168.34 mi (270.91 km).
#1 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| Country | United States |
#2 Port Aransas
City in Texas, United States
| Population | 4,409 |
| Coordinates | 27.8339200, -97.0611000 |
| Altitude | 2 |
| Country | United States |
End: Port Aransas (-97.0611, 27.83392)
Estimated Travel Time
Distance: 337 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 58m |
| 40 mph (64.37 km/h) | 05h 13m |
| 50 mph (80.47 km/h) | 04h 11m |
| 60 mph (96.56 km/h) | 03h 29m |
| 70 mph (112.65 km/h) | 02h 59m |
| 80 mph (129 km/h) | 02h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $27.89 | $55.78 |
| Mid-grade | $4.25 | $31.38 | $62.76 |
| Premium | $4.59 | $33.88 | $67.76 |
| Diesel | $3.99 | $29.47 | $58.94 |
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 28, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.