How far is Louisville, KY from Fort Smith, AR?

The driving distance from Louisville, KY to Fort Smith, AR is about 649.4 miles (1045.1 km), with a travel time of about 11h 52m by car.

  • The straight-line flight distance is about 517 miles (832.1 km).
  • For a round trip, plan for roughly 23h 44m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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
649.38 mi
11h 52m
Flight
517.03 mi
832.08 km direct

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

Learn Distance

Choose another destination from Louisville.

Flight Distance

Direct air line
517.03 mi
Kilometers
832.08 km
Flight Time
01h 02m

Driving Distance

Road route
649.38 mi
Kilometers
1045.07 km
Drive Time
11h 52m

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 11h 52m.

Arrival Snapshot
Arrive in Fort Smith
Tue, Jul 14, 8:19 PM CDT
Return by in Louisville
Wed, Jul 15, 9:11 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Louisville
2026-07-14T09:27
Arrive Fort Smith
Tue, Jul 14, 9:19 PM EDT
Route Timing
11h 52m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
4:52 PM to 6:22 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
12:16 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Louisville
8:00 PM EDT
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
Pascola
MO

Human settlement in Pemiscot County, Missouri, United States of America

From Louisville
324.4 mi
05h 56m
To Fort Smith
325 mi
05h 56m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Tuesday

Sunny

Starts
Tue, Jul 14 6:00 AM EDT
Wind
6 mph E
Destination
93°F
Tuesday

Sunny then Slight Chance Showers And Thunderstorms

Starts
Tue, Jul 14 6:00 AM CDT
Wind
5 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Louisville and Fort Smith.

  1. 1

    Start on West Jefferson Street

    78 m · 16 sec · West Jefferson Street

  2. 2

    Turn left onto South 6th Street

    87 m · 15 sec · South 6th Street

  3. 3

    Turn left onto West Liberty Street

    2397 ft · 1 min · West Liberty Street

  4. 4

    Turn right onto South 1st Street

    68 m · 4 sec · South 1st Street

  5. 5

    Take the ramp slight left toward I 65 South: Nashville

    1087 ft · 27 sec

  6. 6

    Merge slight left

    43.8 mi · 49 min

  7. 7

    Take the exit slight right toward KY 61 South: Elizabethtown, Paducah, Western Kentucky Parkway

    1079 ft · 26 sec

  8. 8

    Keep slight right to continue on US 31W: Elizabethtown, Paducah, Western Kentucky Parkway West

    1286 ft · 32 sec

  9. 9

    Keep slight left to continue on Paducah, Elizabethtown

    1710 ft · 42 sec

  10. 10

    Merge slight left onto Western Kentucky Parkway

    98 mi · 1 hr 45 min · Western Kentucky Parkway

  11. 11

    Continue on Western Kentucky Parkway

    1.3 km · 54 sec · Western Kentucky Parkway

  12. 12

    Merge slight left

    37.4 mi · 40 min

  13. 13

    Keep slight right to continue on I 24 West, I 69 South: Paducah

    16.2 mi · 18 min

  14. 14

    Keep slight left

    51.9 mi · 56 min

  15. 15

    Take the exit slight right toward Union City, Memphis

    1149 ft · 25 sec

  16. 16

    Keep slight left to continue on Martin

    58 m · 6 sec

  17. 17

    Turn right

    146 m · 6 sec

  18. 18

    Continue straight

    4.8 mi · 5 min

  19. 19

    Continue straight

    10.6 mi · 12 min

  20. 20

    Turn right

    43 m · 5 sec

  21. 21

    Merge slight left onto West Reelfoot Boulevard

    27.8 mi · 32 min · West Reelfoot Boulevard

  22. 22

    Continue on Saint Louis

    29.5 mi · 32 min

  23. 23

    Continue straight

    13.6 mi · 16 min

  24. 24

    Turn left

    1.4 mi · 2 min

  25. 25

    Enter the roundabout and take exit 3 toward the route

    78 m · 3 sec

  26. 26

    Exit the roundabout

    56.2 mi · 1 hr 7 min

  27. 27

    Take the exit left

    94.7 mi · 1 hr 39 min

  28. 28

    Take the exit slight right toward US 64 West, I 57 Business North: Beebe, Conway

    2037 ft · 50 sec

  29. 29

    Keep slight right to continue on US 64 West: Conway

    32.6 mi · 42 min

  30. 30

    Take the exit straight

    2355 ft · 57 sec

  31. 31

    Merge slight left

    118.6 mi · 1 hr 59 min

  32. 32

    Take the exit slight right toward I 540 South, US 71 South: Fort Smith

    6.5 mi · 8 min

  33. 33

    Take the exit slight right toward Grand Avenue

    1259 ft · 34 sec

  34. 34

    Turn right onto Grand Avenue

    1.9 mi · 4 min · Grand Avenue

  35. 35

    Arrive at your destination

    0 m · 1 sec · Grand Avenue

Car Route Details

A richer read on the saved driving route between Louisville 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
35 steps
9 turns on the saved route
Ramps & Exits
15
5 merges, 10 ramps or exits
Navigation Density
5.4 / 100 mi
Decision points by distance
Main Roads
Saint Louis
194 mi · 30%
US 64 West
152 mi · 23%
Western Kentucky Parkway
136 mi · 21%
I 24 West
68.1 mi · 10%
I 65 South
44 mi · 7%
West Reelfoot Boulevard
27.8 mi · 4%
Longest Stretch

US 64 West

Merge slight left

119 mi · 01h 59m

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
11h 52m
Overnight route
Same-Day Return
23h 44m
Round-trip wheel time
Road vs Air
+132.4 mi
517 mi direct line
Halfway Stop
Pascola
05h 56m from Louisville
Leave By
12:16 PM EDT
Overnight-style route
Weather Watch

Sunny leaving Louisville and Sunny then Slight 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 Louisville to Fort Smith?

The road trip is about 649.4 miles (1045.1 km) and usually takes 11h 52m 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?

Pascola is a useful midpoint, sitting about 324.4 miles from Louisville and 325 miles from Fort Smith.

How much longer is the road route than the straight-line distance?

The direct path is about 517 miles (832.1 km), while the road route adds roughly 132.4 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 EDT. 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 $86.39 one way or $172.79 round trip. Estimated CO2 is about 203.6 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Louisville and Fort Smith, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Sunny around Louisville and Sunny then Slight Chance Showers And Thunderstorms near Fort Smith.

Stop Ideas Near Pascola

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

Mid-route Guidance
Local place coverage is thin around Pascola, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Newbern–Dyersburg

53 mi away
108 Jefferson St
RAIL

Poplar Bluff

74 mi away
400 South Main St.
RAIL

Fulton

89 mi away
21 Newton Rd.
RAIL

Walnut Ridge

104 mi away
109 Southwest Front Street

Flight Path Map

This map shows the direct air route between Louisville and Fort Smith. Straight-line distance: 517.03 mi (832.08 km).

Louisville

#1 Louisville

The nineteenth most populous city in the United States and the center of the Louisville metropolitan area.

Population760,026
Coordinates38.2542400, -85.7594100
Altitude142
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: Louisville (-85.75941, 38.25424)
End: Fort Smith (-94.39855, 35.38592)

Estimated Travel Time

Distance: 1045 km by road

SpeedTime
30 mph (48.3 km/h)21h 38m
40 mph (64.37 km/h)16h 14m
50 mph (80.47 km/h)12h 59m
60 mph (96.56 km/h)10h 49m
70 mph (112.65 km/h)09h 16m
80 mph (129 km/h)08h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
22.91 gal
86.74 L · about $86.39
Round trip
$172.79
45.82 gal · 173.48 L
Estimated CO2
203.6 kg one way
Round trip: 407.2 kg / 898 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $86.39 $172.79
Mid-grade $4.25 $97.44 $194.87
Premium $4.65 $106.62 $213.25
Diesel $5.30 $121.51 $243.03

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 Kentucky · Jul 14, 2026

Please keep in mind that there is a 1 hour time gap between Louisville, KY and Fort Smith, AR. The current time in Louisville is 09:27:21, although it is 08:27:21 in Fort Smith.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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