How far is Fort Worth, TX from Port Aransas, TX?
The driving distance from Fort Worth, TX to Port Aransas, TX is about 381.1 miles (613.3 km), with a travel time of about 06h 59m by car.
- The straight-line flight distance is about 338.3 miles (544.5 km).
- For a round trip, plan for roughly 13h 58m 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 59m.
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.
This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Clear
Driving Route Map
The map below follows the saved road route between Fort Worth and Port Aransas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Worth and Port Aransas.
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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
82.3 mi · 1 hr 25 min · South Freeway
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4
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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5
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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6
Keep slight left
26.5 mi · 27 min
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7
Take the exit slight right toward TX 130 Toll South: San Antonio
1.1 km · 56 sec
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8
Continue straight
58.5 mi · 55 min
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9
Take the exit slight right toward US 183 South: Lockhart
1219 ft · 30 sec
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10
Continue on United States Highway 183
2699 ft · 35 sec · United States Highway 183
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11
Continue on North Colorado Street
4.9 mi · 9 min · North Colorado Street
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12
Continue on US 183
10.1 mi · 12 min · US 183
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13
Continue on North Magnolia Avenue
1.2 mi · 2 min · North Magnolia Avenue
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14
Turn left onto East Pierce Street
5 mi · 7 min · East Pierce Street
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15
Continue on North United States Highway 183
43.5 mi · 47 min · North United States Highway 183
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16
Continue on North Esplanade Street
2.8 mi · 4 min · North Esplanade Street
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17
Continue on South US Highway 183
2 mi · 3 min · South US Highway 183
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18
Continue on South US Highway 183/ US 87
26.7 mi · 29 min · South US Highway 183/ US 87
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19
Continue on North Jefferson Street
3.7 mi · 6 min · North Jefferson Street
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20
Continue on South US Highway 183
22.6 mi · 24 min · South US Highway 183
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21
Continue on North Alamo Street
1.2 km · 1 min · North Alamo Street
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22
Continue on North Alamo Street
1.4 mi · 3 min · North Alamo Street
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23
Turn left onto East Empresario Street
1.5 mi · 2 min · East Empresario Street
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24
Turn right
9.6 mi · 10 min
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25
Continue on Farm to Market Road 136
10 mi · 12 min · Farm to Market Road 136
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26
Turn left onto State Highway 188
9.7 mi · 10 min · State Highway 188
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27
Turn right onto State Highway 35 North
3.2 mi · 4 min · State Highway 35 North
-
28
Continue on North Commercial Street
3084 ft · 1 min · North Commercial Street
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29
Keep slight left to continue on North Commercial Street
1.2 km · 2 min · North Commercial Street
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30
Turn left onto East Goodnight Avenue
6.4 mi · 9 min · East Goodnight Avenue
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31
Continue on Aransas Pass - Port Aransas, Mustang Island
1593 ft · 5 min · Aransas Pass - Port Aransas, Mustang Island
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32
Continue straight
666 ft · 11 sec
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33
Continue on West Cotter Avenue
2451 ft · 56 sec · West Cotter Avenue
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34
Turn right onto North Alister Street
1373 ft · 43 sec · North Alister Street
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35
Turn left
29 m · 9 sec
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36
Turn left
39 m · 9 sec
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37
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Fort Worth and Port Aransas.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
South Freeway
Merge slight left onto South Freeway
82.3 mi · 01h 25m
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.
Partly Sunny leaving Fort Worth 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 Fort Worth to Port Aransas?
The road trip is about 381.1 miles (613.3 km) and usually takes 06h 59m 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?
Montopolis is a useful midpoint, sitting about 190.9 miles from Fort Worth and 190.1 miles from Port Aransas.
How much longer is the road route than the straight-line distance?
The direct path is about 338.3 miles (544.5 km), while the road route adds roughly 42.8 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 $50.83 one way or $101.66 round trip. Estimated CO2 is about 119.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Fort Worth and Mostly Clear near Port Aransas.
Stop Ideas Near Montopolis
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 Montopolis.
Austin
Taylor
San Marcos Station
Killeen, Texas
Flight Path Map
This map shows the direct air route between Fort Worth and Port Aransas. Straight-line distance: 338.32 mi (544.48 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 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: 613 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 41m |
| 40 mph (64.37 km/h) | 09h 31m |
| 50 mph (80.47 km/h) | 07h 37m |
| 60 mph (96.56 km/h) | 06h 21m |
| 70 mph (112.65 km/h) | 05h 26m |
| 80 mph (129 km/h) | 04h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $50.83 | $101.66 |
| Mid-grade | $4.25 | $57.19 | $114.38 |
| Premium | $4.59 | $61.75 | $123.50 |
| Diesel | $3.99 | $53.71 | $107.41 |
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.