How far is Port Aransas, TX from Fort Smith, AR?

The driving distance from Port Aransas, TX to Fort Smith, AR is about 667.2 miles (1073.7 km), with a travel time of about 12h 15m by car.

  • The straight-line flight distance is about 544.8 miles (876.7 km).
  • For a round trip, plan for roughly 24h 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.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
667.14 mi
12h 15m
Flight
544.74 mi
876.67 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Port Aransas.

Flight Distance

Direct air line
544.74 mi
Kilometers
876.67 km
Flight Time
01h 05m

Driving Distance

Road route
667.14 mi
Kilometers
1073.66 km
Drive Time
12h 15m

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 15m.

Arrival Snapshot
Arrive in Fort Smith
Sat, Aug 29, 4:35 PM CDT
Return by in Port Aransas
Sun, Aug 30, 4:50 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Port Aransas
2026-08-29T04:20
Arrive Fort Smith
Sat, Aug 29, 4:35 PM CDT
Route Timing
12h 15m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
6:15 PM to 7:45 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:30 AM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Port Aransas
8:00 PM CDT
Overnight-style route

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.

Mid-route stop
Hillsboro
TX

City in the U.

From Port Aransas
334 mi
06h 07m
To Fort Smith
333.1 mi
06h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
86°F
Saturday

Sunny

Starts
Sat, Aug 29 6:00 AM CDT
Wind
3 to 12 mph SSE
Destination
97°F
Saturday

Sunny

Starts
Sat, Aug 29 6:00 AM CDT
Wind
5 mph SE

Driving Route Map

The map below follows the saved road route between Port Aransas and Fort Smith.

Turn-by-Turn Driving Directions

Step-by-step road directions between Port Aransas and Fort Smith.

  1. 1

    Start on the route

    9 m · 4 sec

  2. 2

    Turn right onto Church Street

    19 m · 5 sec · Church Street

  3. 3

    Turn right onto Beach Street

    86 m · 10 sec · Beach Street

  4. 4

    At the end of the road, turn left onto North Alister Street

    682 ft · 21 sec · North Alister Street

  5. 5

    Turn right onto West Avenue A

    2562 ft · 1 min · West Avenue A

  6. 6

    Turn slight right

    1155 ft · 22 sec

  7. 7

    Continue on Aransas Pass - Port Aransas, Mustang Island

    1593 ft · 5 min · Aransas Pass - Port Aransas, Mustang Island

  8. 8

    Continue straight

    6.4 mi · 9 min

  9. 9

    Turn right onto South Commercial Street

    1.4 mi · 3 min · South Commercial Street

  10. 10

    Turn straight onto State Highway 35 North

    3.2 mi · 4 min · State Highway 35 North

  11. 11

    Turn left onto State Highway 188

    9.7 mi · 10 min · State Highway 188

  12. 12

    Turn right onto Farm to Market Road 136

    10 mi · 12 min · Farm to Market Road 136

  13. 13

    Continue straight

    9.6 mi · 10 min

  14. 14

    At the end of the road, turn left

    1.5 mi · 2 min

  15. 15

    Turn right onto South Alamo Street

    1.3 mi · 3 min · South Alamo Street

  16. 16

    Continue on North Alamo Street

    1.2 km · 1 min · North Alamo Street

  17. 17

    Continue on US Highway 183

    22.6 mi · 24 min · US Highway 183

  18. 18

    Continue on South Jefferson Street

    3.7 mi · 6 min · South Jefferson Street

  19. 19

    Continue on North US Highway 183

    28.6 mi · 32 min · North US Highway 183

  20. 20

    Continue on South Esplanade Street

    2.8 mi · 4 min · South Esplanade Street

  21. 21

    Continue on North US Highway 183

    22.7 mi · 25 min · North US Highway 183

  22. 22

    Continue straight

    6 mi · 6 min

  23. 23

    Continue straight

    19.8 mi · 23 min

  24. 24

    Turn right onto South Magnolia Avenue

    1.2 mi · 2 min · South Magnolia Avenue

  25. 25

    Continue on US 183

    10.1 mi · 12 min · US 183

  26. 26

    Continue on South Colorado Street

    4.9 mi · 9 min · South Colorado Street

  27. 27

    Continue on United States Highway 183

    1282 ft · 17 sec · United States Highway 183

  28. 28

    Keep slight left to continue on TX 130 Toll North: Austin, Waco

    2447 ft · 35 sec

  29. 29

    Merge slight left onto Pickle Parkway

    58.5 mi · 55 min · Pickle Parkway

  30. 30

    Keep slight left to continue on I 35 North: Waco

    2045 ft · 50 sec

  31. 31

    Merge slight left onto Purple Heart Trail

    64.7 mi · 1 hr 6 min · Purple Heart Trail

  32. 32

    Continue on South Jack Kultgen Expressway

    6.6 mi · 8 min · South Jack Kultgen Expressway

  33. 33

    Continue on Purple Heart Trail

    33 mi · 33 min · Purple Heart Trail

  34. 34

    Keep slight right to continue on I 35E: Dallas

    56.2 mi · 58 min

  35. 35

    Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street

    2094 ft · 42 sec

  36. 36

    Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana

    129 m · 6 sec

  37. 37

    Keep slight right to continue on I 30 East: Texarkana, Convention Center

    2206 ft · 33 sec

  38. 38

    Keep slight left to continue on I 30 East: Texarkana

    117 m · 6 sec

  39. 39

    Continue on East R L Thornton Freeway

    1.2 km · 1 min · East R L Thornton Freeway

  40. 40

    Take the exit slight right toward I 45, US 75: Houston, McKinney

    2421 ft · 46 sec

  41. 41

    Keep slight left to continue on US 75 North: McKinney

    2512 ft · 1 min

  42. 42

    Keep slight right to continue on US 75 North: McKinney, Bryan Street East

    1697 ft · 27 sec

  43. 43

    Merge slight left onto Julius Schepps Freeway

    1.2 km · 49 sec · Julius Schepps Freeway

  44. 44

    Continue on North Central Expressway

    45 mi · 48 min · North Central Expressway

  45. 45

    Continue on South Henry Hynds Expressway

    10.1 mi · 10 min · South Henry Hynds Expressway

  46. 46

    Continue on South Sam Rayburn Freeway

    28.4 mi · 30 min · South Sam Rayburn Freeway

  47. 47

    Continue on US 69 North, US 75 North: Durant

    1.1 mi · 1 min

  48. 48

    Continue on US 69 North, US 75 North: Durant

    26.4 mi · 29 min

  49. 49

    Continue on US 69 North, US 75 North: Atoka

    5.9 mi · 6 min

  50. 50

    Continue on South Jefferson Street

    2.3 mi · 3 min · South Jefferson Street

  51. 51

    Continue straight

    36.1 mi · 42 min

  52. 52

    Continue straight

    11.6 mi · 16 min

  53. 53

    Keep slight left to continue on South George Nigh Expressway

    40.5 mi · 45 min · South George Nigh Expressway

  54. 54

    Take the exit slight right toward I 40 East: Fort Smith

    3139 ft · 1 min

  55. 55

    Merge slight left onto Vietnam Veteran's Memorial Highway

    59.7 mi · 1 hr 1 min · Vietnam Veteran's Memorial Highway

  56. 56

    Take the exit slight right toward US 64: Roland, Fort Smith

    2140 ft · 53 sec

  57. 57

    Merge slight left onto West Ray Fine Boulevard

    6.3 mi · 9 min · West Ray Fine Boulevard

  58. 58

    Turn left onto North 11th Street

    1083 ft · 25 sec · North 11th Street

  59. 59

    Turn slight right onto Grand Avenue

    1.1 mi · 2 min · Grand Avenue

  60. 60

    Arrive at your destination

    0 m · 1 sec · Grand Avenue

Car Route Details

A richer read on the saved driving route between Port Aransas and Fort Smith.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
60 steps
14 turns on the saved route
Ramps & Exits
9
5 merges, 4 ramps or exits
Navigation Density
9 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
97.7 mi · 15%
North US Highway 183
77.1 mi · 12%
Vietnam Veteran's Memorial Highway
59.7 mi · 9%
Pickle Parkway
58.5 mi · 9%
I 35E
56.2 mi · 8%
South Jefferson Street
53.7 mi · 8%
Longest Stretch

Purple Heart Trail

Merge slight left onto Purple Heart Trail

64.7 mi · 01h 06m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
12h 15m
Overnight route
Same-Day Return
24h 30m
Round-trip wheel time
Road vs Air
+122.4 mi
544.8 mi direct line
Halfway Stop
Hillsboro
06h 07m from Port Aransas
Leave By
11:30 AM CDT
Overnight-style route
Weather Watch

Sunny leaving Port Aransas and Sunny near Fort Smith.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Port Aransas to Fort Smith?

The road trip is about 667.2 miles (1073.7 km) and usually takes 12h 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?

Hillsboro is a useful midpoint, sitting about 334 miles from Port Aransas and 333.1 miles from Fort Smith.

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 122.4 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 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 $88.96 one way or $177.92 round trip. Estimated CO2 is about 209.2 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Port Aransas and Sunny near Fort Smith.

Stop Ideas Near Hillsboro

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Hillsboro and the surrounding midpoint area.
Historic City Hall
Scenic stop 5 mi away

Historic City Hall

Hillsboro , TX
127/129 E Franklin St, Hillsboro, TX 76645
Rating 4.6/5 24 reviews Museum
Stop photo coming soon
Meeting point 8.4 mi away

Milford City Hall, Police Station, Municipal Court

Milford , TX
107 S Main St, Milford, TX 76670
Rating 1.7/5 3 reviews City Hall,City government office
Town Hall Estates Hillsboro
Nearby stop 4 mi away

Town Hall Estates Hillsboro

Hillsboro , TX
300 Happy Ln, Hillsboro, TX 76645
Rating 4.1/5 14 reviews Non-profit organization,Nursing home,Occupational therapist,Physical therapy clinic

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Hillsboro.

RAIL

Cleburne

44 mi away
206 North Border St.
BUS

Waco, TX

51 mi away
301 South 8th Street
RAIL

McGregor

69 mi away
1 Amtrak Blvd.
RAIL

Fort Worth Central Station

84 mi away
1001 Jones Street

Flight Path Map

This map shows the direct air route between Port Aransas and Fort Smith. Straight-line distance: 544.74 mi (876.67 km).

Port Aransas

#1 Port Aransas

City in Texas, United States

Population4,409
Coordinates27.8339200, -97.0611000
Altitude2
CountryUnited States
Fort Smith

#2 Fort Smith

The second most populous city in Sebastian County, Arkansas.

Population87,764
Coordinates35.3859200, -94.3985500
Altitude134
CountryUnited States
Start: Port Aransas (-97.0611, 27.83392)
End: Fort Smith (-94.39855, 35.38592)

Estimated Travel Time

Distance: 1074 km by road

SpeedTime
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.

One-way fuel
23.54 gal
89.11 L · about $88.96
Round trip
$177.92
47.08 gal · 178.22 L
Estimated CO2
209.2 kg one way
Round trip: 418.4 kg / 922 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $88.96 $177.92
Mid-grade $4.25 $100.09 $200.18
Premium $4.59 $108.07 $216.14
Diesel $3.99 $94.00 $187.99

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 · Aug 29, 2026

There is no time difference between Port Aransas and Fort Smith. The current time is 04:20:03.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.