How far is Fort Smith, AR from Port Aransas, TX?
The driving distance from Fort Smith, AR to Port Aransas, TX is about 667 miles (1073.5 km), with a travel time of about 12h 16m by car.
- The straight-line flight distance is about 544.8 miles (876.7 km).
- For a round trip, plan for roughly 24h 32m 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 12h 16m.
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 the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Fort Smith and Port Aransas.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Smith and Port Aransas.
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1
Start on Grand Avenue
1.2 mi · 2 min · Grand Avenue
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2
Turn slight right onto North B Street
2376 ft · 1 min · North B Street
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3
Turn left onto North 3rd Street
736 ft · 25 sec · North 3rd Street
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4
Turn right onto Garrison Avenue
6 mi · 9 min · Garrison Avenue
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5
Take the exit slight left toward I 40 West: Oklahoma City
1276 ft · 32 sec
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6
Merge slight left onto Vietnam Veteran's Memorial Highway
60 mi · 1 hr 2 min · Vietnam Veteran's Memorial Highway
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7
Take the exit slight right toward US 69 South: Eufaula, McAlester, Dallas
1445 ft · 35 sec
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8
Merge slight left
90.9 mi · 1 hr 46 min
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9
Continue on South Big Bend Road
9.8 mi · 11 min · South Big Bend Road
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10
Continue on US 69 South, US 75 South: Durant
107.1 mi · 1 hr 53 min
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11
Take the exit slight left toward Downtown, Good-Latimer Expressway
153 m · 12 sec
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12
Continue on North Central Expressway
1.2 km · 1 min · North Central Expressway
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13
Turn right onto Elm Street
93 m · 11 sec · Elm Street
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14
Turn left onto North Pearl Expressway
1086 ft · 29 sec · North Pearl Expressway
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15
Turn right onto Young Street
572 ft · 20 sec · Young Street
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16
Turn left onto South Harwood Street
96 m · 8 sec · South Harwood Street
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17
Turn right onto Canton Street
2105 ft · 48 sec · Canton Street
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18
Take the ramp slight left toward I 30 West
1773 ft · 38 sec
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19
Keep slight left to continue on I 35E South, I 35E North: Waco, Denton
607 ft · 15 sec
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20
Keep slight left to continue on I 35E North, I 35E South: Denton, Waco
67 m · 5 sec
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21
Keep slight left to continue on I 35E South: Waco
1915 ft · 30 sec
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22
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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23
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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24
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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25
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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26
Keep slight left
26.5 mi · 27 min
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27
Take the exit slight right toward TX 130 Toll South: San Antonio
1.1 km · 56 sec
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28
Continue straight
58.5 mi · 55 min
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29
Take the exit slight right toward US 183 South: Lockhart
1219 ft · 30 sec
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30
Continue on United States Highway 183
2699 ft · 35 sec · United States Highway 183
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31
Continue on North Colorado Street
4.9 mi · 9 min · North Colorado Street
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32
Continue on US 183
10.1 mi · 12 min · US 183
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33
Continue on North Magnolia Avenue
1.2 mi · 2 min · North Magnolia Avenue
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34
Turn left onto East Pierce Street
5 mi · 7 min · East Pierce Street
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35
Continue on North United States Highway 183
43.5 mi · 47 min · North United States Highway 183
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36
Continue on North Esplanade Street
2.8 mi · 4 min · North Esplanade Street
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37
Continue on South US Highway 183
2 mi · 3 min · South US Highway 183
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38
Continue on South US Highway 183/ US 87
26.7 mi · 29 min · South US Highway 183/ US 87
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39
Continue on North Jefferson Street
3.7 mi · 6 min · North Jefferson Street
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40
Continue on South US Highway 183
22.6 mi · 24 min · South US Highway 183
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41
Continue on North Alamo Street
1.2 km · 1 min · North Alamo Street
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42
Continue on North Alamo Street
1.4 mi · 3 min · North Alamo Street
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43
Turn left onto East Empresario Street
1.5 mi · 2 min · East Empresario Street
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44
Turn right
9.6 mi · 10 min
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45
Continue on Farm to Market Road 136
10 mi · 12 min · Farm to Market Road 136
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46
Turn left onto State Highway 188
9.7 mi · 10 min · State Highway 188
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47
Turn right onto State Highway 35 North
3.2 mi · 4 min · State Highway 35 North
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48
Continue on North Commercial Street
3084 ft · 1 min · North Commercial Street
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49
Keep slight left to continue on North Commercial Street
1.2 km · 2 min · North Commercial Street
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50
Turn left onto East Goodnight Avenue
6.4 mi · 9 min · East Goodnight Avenue
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51
Continue on Aransas Pass - Port Aransas, Mustang Island
1593 ft · 5 min · Aransas Pass - Port Aransas, Mustang Island
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52
Continue straight
666 ft · 11 sec
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53
Continue on West Cotter Avenue
2451 ft · 56 sec · West Cotter Avenue
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54
Turn right onto North Alister Street
1373 ft · 43 sec · North Alister Street
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55
Turn left
29 m · 9 sec
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56
Turn left
39 m · 9 sec
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57
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Fort Smith and Port Aransas.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
US 69 South
Continue on US 69 South, US 75 South: Durant
107 mi · 01h 53m
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.
Sunny leaving Fort Smith and Sunny near Port Aransas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Smith to Port Aransas?
The road trip is about 667 miles (1073.5 km) and usually takes 12h 16m 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?
Hillsboro is a useful midpoint, sitting about 333.4 miles from Fort Smith and 333.7 miles from Port Aransas.
How much longer is the road route than the straight-line distance?
The direct path is about 544.8 miles (876.7 km), while the road route adds roughly 122.2 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 $87.69 one way or $175.37 round trip. Estimated CO2 is about 209.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Fort Smith and Sunny near Port Aransas.
Stop Ideas Near Hillsboro
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Historic City Hall
Milford City Hall, Police Station, Municipal Court
Town Hall Estates Hillsboro
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hillsboro.
Cleburne
Waco, TX
McGregor
Fort Worth Central Station
Flight Path Map
This map shows the direct air route between Fort Smith and Port Aransas. Straight-line distance: 544.74 mi (876.67 km).
#1 Fort Smith
The second most populous city in Sebastian County, Arkansas.
| Population | 87,764 |
| Coordinates | 35.3859200, -94.3985500 |
| Altitude | 134 |
| 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: 1074 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 22h 13m |
| 40 mph (64.37 km/h) | 16h 40m |
| 50 mph (80.47 km/h) | 13h 20m |
| 60 mph (96.56 km/h) | 11h 07m |
| 70 mph (112.65 km/h) | 09h 31m |
| 80 mph (129 km/h) | 08h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.73 | $87.69 | $175.37 |
| Mid-grade | $4.21 | $99.01 | $198.02 |
| Premium | $4.59 | $107.93 | $215.86 |
| Diesel | $5.28 | $124.29 | $248.58 |
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 Arkansas · Aug 29, 2026