How far is Mountain Home, AR from Fort Smith, AR?

The driving distance from Mountain Home, AR to Fort Smith, AR is about 186.5 miles (300.1 km), with a travel time of about 03h 24m by car.

  • The straight-line flight distance is about 130.4 miles (209.9 km).
  • For a round trip, plan for roughly 06h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
186.44 mi
03h 24m
Flight
130.43 mi
209.91 km direct

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

Learn Distance

Choose another destination from Mountain Home.

Flight Distance

Direct air line
130.43 mi
Kilometers
209.91 km
Flight Time
00h 15m

Driving Distance

Road route
186.44 mi
Kilometers
300.05 km
Drive Time
03h 24m

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 03h 24m.

Arrival Snapshot
Arrive in Fort Smith
Mon, Jun 1, 8:40 PM CDT
Return by in Mountain Home
Tue, Jun 2, 12:05 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mountain Home
2026-06-01T17:16
Arrive Fort Smith
Mon, Jun 1, 8:40 PM CDT
Route Timing
03h 24m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:25 AM to 11:25 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:10 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Mountain Home
9:00 PM CDT
Early departure recommended

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
Huntsville
AR

City in Arkansas, USA

From Mountain Home
89.8 mi
01h 42m
To Fort Smith
96.6 mi
01h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
This Afternoon

Chance T-storms

Starts
Mon, Jun 1 2:00 PM CDT
Wind
0 to 5 mph W
Destination
94°F
This Afternoon

Sunny

Starts
Mon, Jun 1 2:00 PM CDT
Wind
5 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Mountain Home and Fort Smith.

  1. 1

    Start on East 6th Street

    16 m · 9 sec · East 6th Street

  2. 2

    Turn left onto South Main Street

    1000 ft · 21 sec · South Main Street

  3. 3

    Continue straight

    1.1 mi · 2 min

  4. 4

    Continue straight

    19.1 mi · 22 min

  5. 5

    Turn right

    22.6 mi · 26 min

  6. 6

    At the end of the road, turn right

    7.2 mi · 12 min

  7. 7

    Take the exit slight right

    5 mi · 8 min

  8. 8

    Take the exit slight right

    6.1 mi · 9 min

  9. 9

    Continue straight

    2728 ft · 1 min

  10. 10

    Turn left

    40.2 mi · 47 min

  11. 11

    Turn left

    2724 ft · 54 sec

  12. 12

    Turn slight left

    16.4 mi · 25 min

  13. 13

    Turn left onto North Crossover Road

    2.3 mi · 4 min · North Crossover Road

  14. 14

    Turn slight right

    116 m · 7 sec

  15. 15

    Turn slight right onto East Huntsville Road

    2372 ft · 57 sec · East Huntsville Road

  16. 16

    Continue on South Happy Hollow Road

    1696 ft · 41 sec · South Happy Hollow Road

  17. 17

    Continue on East 15th Street

    2.5 mi · 5 min · East 15th Street

  18. 18

    Turn left onto South Razorback Road

    1.4 km · 2 min · South Razorback Road

  19. 19

    Continue on South Cato Springs Road

    1874 ft · 40 sec · South Cato Springs Road

  20. 20

    Take the ramp slight left

    1618 ft · 20 sec

  21. 21

    Merge slight left

    40.4 mi · 40 min

  22. 22

    Keep slight right to continue on I 40 West: Van Buren, Fort Smith

    1596 ft · 25 sec

  23. 23

    Merge slight left

    4.3 mi · 4 min

  24. 24

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

    6.5 mi · 8 min

  25. 25

    Take the exit slight right toward Grand Avenue

    1259 ft · 34 sec

  26. 26

    Turn right onto Grand Avenue

    1.9 mi · 4 min · Grand Avenue

  27. 27

    Arrive at your destination

    0 m · 1 sec · Grand Avenue

Car Route Details

A richer read on the saved driving route between Mountain Home and Fort Smith.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
27 steps
11 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
14.5 / 100 mi
Decision points by distance
Main Roads
South Cato Springs Road
41 mi · 22%
South Main Street
32 mi · 17%
I 540 South
6.53 mi · 4%
I 40 West
4.58 mi · 2%
East 15th Street
2.5 mi · 1%
North Crossover Road
2.35 mi · 1%
Longest Stretch

South Cato Springs Road

Merge slight left

40.4 mi · 00h 40m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 24m
Long day trip
Same-Day Return
06h 50m
Round-trip wheel time
Road vs Air
+56.1 mi
130.4 mi direct line
Halfway Stop
Huntsville
01h 42m from Mountain Home
Leave By
10:10 AM CDT
Early departure recommended
Weather Watch

Chance T-storms leaving Mountain Home 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 Mountain Home to Fort Smith?

The road trip is about 186.5 miles (300.1 km) and usually takes 03h 24m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Huntsville is a useful midpoint, sitting about 89.8 miles from Mountain Home and 96.6 miles from Fort Smith.

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

The direct path is about 130.4 miles (209.9 km), while the road route adds roughly 56.1 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:10 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $24.92 one way or $49.84 round trip. Estimated CO2 is about 58.5 kg one way.

What should you check before leaving?

Before you leave, expect Chance T-storms around Mountain Home and Sunny near Fort Smith.

Flight Path Map

This map shows the direct air route between Mountain Home and Fort Smith. Straight-line distance: 130.43 mi (209.91 km).

Photo coming soon

#1 Mountain Home

City in Elmore, Idaho, United States

Population12,330
Coordinates36.3353400, -92.3851600
Altitude249
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: East 6th Street (-92.385156, 36.335411)
End: Grand Avenue (-94.39855, 35.385923)

Estimated Travel Time

Distance: 300 km by road

SpeedTime
30 mph (48.3 km/h)06h 12m
40 mph (64.37 km/h)04h 39m
50 mph (80.47 km/h)03h 43m
60 mph (96.56 km/h)03h 06m
70 mph (112.65 km/h)02h 39m
80 mph (129 km/h)02h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.58 gal
24.9 L · about $24.92
Round trip
$49.84
13.16 gal · 49.8 L
Estimated CO2
58.5 kg one way
Round trip: 117 kg / 258 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $24.92 $49.84
Mid-grade $4.26 $28.02 $56.05
Premium $4.63 $30.43 $60.87
Diesel $5.42 $35.63 $71.26

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 · Jun 01, 2026

There is no time difference between Mountain Home and Fort Smith. The current time is 17:16:07.

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.