How far is Port Arthur, TX from Houston, TX?
The driving distance from Port Arthur, TX to Houston, TX is about 89 miles (143.2 km), with a travel time of about 01h 25m by car.
- The straight-line flight distance is about 85.6 miles (137.7 km).
- For a round trip, plan for roughly 02h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 25m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Showers And Thunderstorms then Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Arthur and Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Arthur and Houston.
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1
Start on Augusta Avenue
60 m · 8 sec · Augusta Avenue
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2
Turn right onto Gulfway Drive
1.4 mi · 3 min · Gulfway Drive
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3
Continue on Dowling Road
1821 ft · 35 sec · Dowling Road
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4
Turn right
20.4 mi · 22 min
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5
Continue straight
3.9 mi · 4 min
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6
Turn straight
3.3 mi · 4 min
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7
Merge slight left
58.2 mi · 1 hr 8 min
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8
Take the exit slight right toward San Jacinto Street, Main Street
932 ft · 23 sec
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9
Turn straight onto Providence Street
599 ft · 12 sec · Providence Street
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10
Continue on North San Jacinto Street
1636 ft · 32 sec · North San Jacinto Street
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11
Continue on Fannin Street
1878 ft · 51 sec · Fannin Street
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12
Turn right onto Prairie Street
1338 ft · 48 sec · Prairie Street
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13
Turn right onto Louisiana Street
157 m · 17 sec · Louisiana Street
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14
Arrive at your destination
0 m · 1 sec · Louisiana Street
Car Route Details
A richer read on the saved driving route between Port Arthur and Houston.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Dowling Road
Merge slight left
58.2 mi · 01h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms Likely leaving Port Arthur and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Arthur to Houston?
The road trip is about 89 miles (143.2 km) and usually takes 01h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Anahuac is a useful midpoint, sitting about 44.4 miles from Port Arthur and 44.6 miles from Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 85.6 miles (137.7 km), while the road route adds roughly 3.4 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.87 one way or $23.73 round trip. Estimated CO2 is about 27.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Port Arthur and Chance Showers And Thunderstorms then Showers And Thunderstorms near Houston.
Stop Ideas Near Anahuac
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 Anahuac.
Galveston (Texas Eagle Bus), Texas
Beaumont
Houston
Houston, TX
Flight Path Map
This map shows the direct air route between Port Arthur and Houston. Straight-line distance: 85.59 mi (137.74 km).
#1 Port Arthur
The most populous city in Jefferson County, Texas.
| Population | 53,921 |
| Coordinates | 29.8851900, -93.9423300 |
| Altitude | 2 |
| Country | United States |
#2 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 |
End: Louisiana Street (-95.363596, 29.76347)
Estimated Travel Time
Distance: 143 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 57m |
| 40 mph (64.37 km/h) | 02h 13m |
| 50 mph (80.47 km/h) | 01h 46m |
| 60 mph (96.56 km/h) | 01h 28m |
| 70 mph (112.65 km/h) | 01h 16m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $11.87 | $23.73 |
| Mid-grade | $4.25 | $13.35 | $26.70 |
| Premium | $4.59 | $14.42 | $28.83 |
| Diesel | $3.99 | $12.54 | $25.08 |
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.