How far is Houston, TX from Port Arthur, TX?
The driving distance from Houston, TX to Port Arthur, TX is about 89.1 miles (143.4 km), with a travel time of about 01h 44m by car.
- The straight-line flight distance is about 85.6 miles (137.7 km).
- For a round trip, plan for roughly 03h 28m 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 44m.
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.
Partly Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Houston and Port Arthur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Port Arthur.
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1
Start on Louisiana Street
145 m · 20 sec · Louisiana Street
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2
Turn right onto Franklin Street
1678 ft · 1 min · Franklin Street
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3
Turn left onto San Jacinto Street
2319 ft · 49 sec · San Jacinto Street
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4
Turn straight onto Rothwell Street
106 m · 7 sec · Rothwell Street
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5
Take the ramp straight toward US 59 East, I 10 East
792 ft · 19 sec
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6
Merge slight left onto East Freeway
5.2 mi · 7 min · East Freeway
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7
Keep slight left to continue on East Freeway
13.4 mi · 16 min · East Freeway
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8
Keep slight left to continue on East Freeway
40 mi · 46 min · East Freeway
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9
Take the exit slight right toward TX 73, TX 124: Winnie, Port Arthur
2059 ft · 27 sec
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10
Keep slight left
24.5 mi · 26 min
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11
Take the exit slight right toward TX 73 East: Port Arthur, Groves
2.4 mi · 3 min
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12
Take the exit slight right toward Spur 215
597 ft · 15 sec
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13
Keep slight right to continue on Spur 215
60 m · 5 sec
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14
Turn straight onto Savannah Avenue
2 mi · 3 min · Savannah Avenue
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15
Turn right onto 17th Street
113 m · 16 sec · 17th Street
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16
Turn left onto Augusta Avenue
49 m · 5 sec · Augusta Avenue
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17
Arrive at your destination
0 m · 1 sec · Augusta Avenue
Car Route Details
A richer read on the saved driving route between Houston and Port Arthur.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
East Freeway
Keep slight left to continue on East Freeway
40 mi · 00h 46m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Houston and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Port Arthur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Port Arthur?
The road trip is about 89.1 miles (143.4 km) and usually takes 01h 44m 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 44.5 miles from Houston and 44.6 miles from Port Arthur.
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 3.5 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 3:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.90 one way or $23.81 round trip. Estimated CO2 is about 28 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Houston and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Port Arthur.
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 Houston and Port Arthur. Straight-line distance: 85.59 mi (137.74 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 Arthur
The most populous city in Jefferson County, Texas.
| Population | 53,921 |
| Coordinates | 29.8851900, -93.9423300 |
| Altitude | 2 |
| Country | United States |
End: Port Arthur (-93.94233, 29.88519)
Estimated Travel Time
Distance: 143 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 58m |
| 40 mph (64.37 km/h) | 02h 13m |
| 50 mph (80.47 km/h) | 01h 46m |
| 60 mph (96.56 km/h) | 01h 29m |
| 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 | $11.90 | $23.81 |
| Mid-grade | $4.25 | $13.39 | $26.79 |
| Premium | $4.59 | $14.46 | $28.92 |
| Diesel | $3.99 | $12.58 | $25.16 |
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.