How far is Fort Smith, AR from San Antonio, TX?
The driving distance from Fort Smith, AR to San Antonio, TX is about 550.5 miles (885.9 km), with a travel time of about 10h 00m by car.
- The straight-line flight distance is about 476 miles (766.1 km).
- For a round trip, plan for roughly 20h 01m 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 10h 00m.
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.
The ninth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Slight Chance Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Fort Smith and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Smith and San Antonio.
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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
55.8 mi · 59 min
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27
Keep slight left to continue on Purple Heart Trail
49.8 mi · 55 min · Purple Heart Trail
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28
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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29
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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30
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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31
Keep slight left to continue on North Pan Am Expressway
6.4 mi · 8 min · North Pan Am Expressway
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32
Keep slight left to continue on North Pan Am Expressway
2907 ft · 41 sec · North Pan Am Expressway
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33
Take the exit slight right toward Lexington Avenue, Main Avenue, San Pedro Avenue
684 ft · 17 sec
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34
Turn straight onto East Elmira Street
526 ft · 17 sec · East Elmira Street
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35
Turn left onto North Main Avenue
830 ft · 19 sec · North Main Avenue
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36
Enter the roundabout and take exit 2 toward Navarro Street
49 m · 3 sec · Navarro Street
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37
Exit the roundabout onto Navarro Street
34 m · 2 sec · Navarro Street
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38
Keep slight right to continue on North Main Avenue
2181 ft · 52 sec · North Main Avenue
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39
Turn right onto West Travis Street
68 m · 11 sec · West Travis Street
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40
Turn left onto North Flores Street
807 ft · 20 sec · North Flores Street
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41
Continue on Military Plaza
119 m · 16 sec · Military Plaza
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42
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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43
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Fort Smith and San Antonio.
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.
Partly Sunny leaving Fort Smith and Slight Chance Rain Showers then Mostly Sunny near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Smith to San Antonio?
The road trip is about 550.5 miles (885.9 km) and usually takes 10h 00m 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?
Dallas is a useful midpoint, sitting about 275.6 miles from Fort Smith and 274.9 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 476 miles (766.1 km), while the road route adds roughly 74.5 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 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 $73.54 one way or $147.09 round trip. Estimated CO2 is about 172.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Fort Smith and Slight Chance Rain Showers then Mostly Sunny near San Antonio.
Stop Ideas Near Dallas
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Anju
Clifford E 'Bill' Hall Park
Dallas Environmental Quality
Dallas City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dallas.
Union Station
Dallas, TX
Mesquite, TX
Fort Worth Central Station
Flight Path Map
This map shows the direct air route between Fort Smith and San Antonio. Straight-line distance: 476.05 mi (766.13 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 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
End: San Antonio (-98.49363, 29.42412)
Estimated Travel Time
Distance: 886 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 18h 20m |
| 40 mph (64.37 km/h) | 13h 45m |
| 50 mph (80.47 km/h) | 11h 00m |
| 60 mph (96.56 km/h) | 09h 10m |
| 70 mph (112.65 km/h) | 07h 51m |
| 80 mph (129 km/h) | 06h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $73.54 | $147.09 |
| Mid-grade | $4.26 | $82.71 | $165.42 |
| Premium | $4.63 | $89.82 | $179.64 |
| Diesel | $5.42 | $105.16 | $210.32 |
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 · Jul 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.