How far is Decatur, AR from Fort Smith, AR?
The driving distance from Decatur, AR to Fort Smith, AR is about 93.4 miles (150.3 km), with a travel time of about 01h 37m by car.
- The straight-line flight distance is about 65.7 miles (105.8 km).
- For a round trip, plan for roughly 03h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 37m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Arkansas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Decatur and Fort Smith.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Fort Smith.
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1
Start on North Main Street
7.3 mi · 11 min · North Main Street
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2
Continue on AR 59
4.3 mi · 6 min · AR 59
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3
Continue straight
128 m · 15 sec
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4
At the end of the road, turn left
17.8 mi · 23 min
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5
Take the exit right
1291 ft · 16 sec
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6
Merge slight left
51.4 mi · 53 min
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7
Keep slight right to continue on I 40 West: Van Buren, Fort Smith
1596 ft · 25 sec
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8
Merge slight left
4.3 mi · 4 min
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9
Take the exit slight right toward I 540 South, US 71 South: Fort Smith
6.5 mi · 8 min
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10
Take the exit slight right toward Grand Avenue
1259 ft · 34 sec
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11
Turn right onto Grand Avenue
1.9 mi · 4 min · Grand Avenue
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12
Arrive at your destination
0 m · 1 sec · Grand Avenue
Car Route Details
A richer read on the saved driving route between Decatur and Fort Smith.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
AR 59
Merge slight left
51.4 mi · 00h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Partly Sunny then Chance Showers And Thunderstorms leaving Decatur and Partly Sunny then Chance Showers And Thunderstorms near Fort Smith.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Fort Smith?
The road trip is about 93.4 miles (150.3 km) and usually takes 01h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
West Fork is a useful midpoint, sitting about 47.2 miles from Decatur and 46.2 miles from Fort Smith.
How much longer is the road route than the straight-line distance?
The direct path is about 65.7 miles (105.8 km), while the road route adds roughly 27.7 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.50 one way or $24.99 round trip. Estimated CO2 is about 29.3 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Decatur and Partly Sunny then Chance Showers And Thunderstorms near Fort Smith.
Flight Path Map
This map shows the direct air route between Decatur and Fort Smith. Straight-line distance: 65.73 mi (105.78 km).
#1 Decatur
City in Benton County, Arkansas, United States
| Population | 1,790 |
| Coordinates | 36.3359100, -94.4607700 |
| Altitude | 377 |
| Country | United States |
#2 Fort Smith
The second most populous city in Sebastian County, Arkansas.
| Population | 87,764 |
| Coordinates | 35.3859200, -94.3985500 |
| Altitude | 134 |
| Country | United States |
End: Grand Avenue (-94.39855, 35.385923)
Estimated Travel Time
Distance: 150 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 06m |
| 40 mph (64.37 km/h) | 02h 20m |
| 50 mph (80.47 km/h) | 01h 52m |
| 60 mph (96.56 km/h) | 01h 33m |
| 70 mph (112.65 km/h) | 01h 20m |
| 80 mph (129 km/h) | 01h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $12.50 | $24.99 |
| Mid-grade | $4.26 | $14.05 | $28.11 |
| Premium | $4.63 | $15.26 | $30.53 |
| Diesel | $5.42 | $17.87 | $35.74 |
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 · 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.