How far is Fort Worth, TX from Port Arthur, TX?
The driving distance from Fort Worth, TX to Port Arthur, TX is about 342.4 miles (551 km), with a travel time of about 06h 15m by car.
- The straight-line flight distance is about 279.7 miles (450.2 km).
- For a round trip, plan for roughly 12h 30m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 15m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then 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 Fort Worth and Port Arthur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Worth and Port Arthur.
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1
Start on South Freeway
53 m · 4 sec · South Freeway
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2
Take the ramp slight left toward I 35W South
1365 ft · 33 sec
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3
Merge slight left onto South Freeway
3.2 mi · 3 min · South Freeway
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4
Take the exit slight right toward I 20 East: Dallas
573 ft · 14 sec
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5
Keep slight left to continue on I 20 East: Dallas
1.3 km · 2 min
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6
Merge slight left onto Ronald Reagan Memorial Highway
5.7 mi · 6 min · Ronald Reagan Memorial Highway
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7
Keep slight right to continue on US 287 South: Little Road, Waxahachie
50.7 mi · 57 min
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8
Keep slight right to continue on I 45 South: Corsicana
3065 ft · 1 min
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9
Merge slight left
173.9 mi · 2 hr 58 min
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10
Take the exit slight right toward Grand Parkway
1067 ft · 26 sec
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11
Turn straight onto Interstate 45 North Frontage Road
2.1 mi · 4 min · Interstate 45 North Frontage Road
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12
Turn left onto North Grand Parkway West
116 m · 9 sec · North Grand Parkway West
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13
Take the ramp straight toward TX 99 Toll East
1536 ft · 38 sec
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14
Merge slight left onto North Grand Parkway East
32.3 mi · 35 min · North Grand Parkway East
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15
Take the exit slight right toward FM 1960: Dayton, Humble
2361 ft · 1 min
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16
Turn left
5.1 mi · 7 min
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17
Turn right onto North Cleveland Street
1028 ft · 25 sec · North Cleveland Street
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18
Turn left onto United States Highway 90 West
10 mi · 12 min · United States Highway 90 West
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19
Continue on US Highway 90
36 mi · 42 min · US Highway 90
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20
Turn right onto Interstate 10 South Frontage Road
1.2 mi · 2 min · Interstate 10 South Frontage Road
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21
Take the ramp slight left toward US 69 South, US 96 South, US 287 South
15.8 mi · 17 min
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22
Take the exit slight right toward TX 73 West: Winnie
1775 ft · 43 sec
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23
Merge slight left
1 km · 44 sec
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24
Turn slight right onto H O Mills Boulevard
1946 ft · 46 sec · H O Mills Boulevard
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25
Turn left onto Savannah Avenue
2 mi · 3 min · Savannah Avenue
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26
Turn right onto 17th Street
113 m · 16 sec · 17th Street
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27
Turn left onto Augusta Avenue
49 m · 5 sec · Augusta Avenue
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28
Arrive at your destination
0 m · 1 sec · Augusta Avenue
Car Route Details
A richer read on the saved driving route between Fort Worth and Port Arthur.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 45 South
Merge slight left
174 mi · 02h 58m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Cloudy then Chance Showers And Thunderstorms leaving Fort Worth 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 Fort Worth to Port Arthur?
The road trip is about 342.4 miles (551 km) and usually takes 06h 15m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Madisonville is a useful midpoint, sitting about 171.3 miles from Fort Worth and 171.1 miles from Port Arthur.
How much longer is the road route than the straight-line distance?
The direct path is about 279.7 miles (450.2 km), while the road route adds roughly 62.7 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.65 one way or $91.30 round trip. Estimated CO2 is about 107.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Fort Worth and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Port Arthur.
Stop Ideas Near Madisonville
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 Madisonville.
Bryan, TX
Prairie View, TX
Flight Path Map
This map shows the direct air route between Fort Worth and Port Arthur. Straight-line distance: 279.77 mi (450.24 km).
#1 Fort Worth
The twelfth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
| Population | 927,720 |
| Coordinates | 32.7254100, -97.3208500 |
| Altitude | 199 |
| 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: 551 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 24m |
| 40 mph (64.37 km/h) | 08h 33m |
| 50 mph (80.47 km/h) | 06h 50m |
| 60 mph (96.56 km/h) | 05h 42m |
| 70 mph (112.65 km/h) | 04h 53m |
| 80 mph (129 km/h) | 04h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $45.65 | $91.30 |
| Mid-grade | $4.25 | $51.36 | $102.73 |
| Premium | $4.59 | $55.46 | $110.92 |
| Diesel | $3.99 | $48.24 | $96.47 |
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.