How far is Fort Smith, AR from Southside, AR?

The driving distance from Fort Smith, AR to Southside, AR is about 215.9 miles (347.4 km), with a travel time of about 03h 57m by car.

  • The straight-line flight distance is about 157.5 miles (253.5 km).
  • For a round trip, plan for roughly 07h 55m 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
215.83 mi
03h 57m
Flight
157.5 mi
253.47 km direct

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

Learn Distance

Choose another destination from Fort Smith.

Flight Distance

Direct air line
157.5 mi
Kilometers
253.47 km
Flight Time
00h 19m

Driving Distance

Road route
215.83 mi
Kilometers
347.35 km
Drive Time
03h 57m

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 57m.

Arrival Snapshot
Arrive in Southside
Fri, Apr 17, 10:50 PM CDT
Return by in Fort Smith
Sat, Apr 18, 2:48 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Smith
2026-04-17T18:53
Arrive Southside
Fri, Apr 17, 10:50 PM CDT
Route Timing
03h 57m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:58 AM to 11:58 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
9:04 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Fort Smith
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
Morrilton
AR

City in Arkansas, USA

From Fort Smith
107.8 mi
01h 58m
To Southside
108 mi
01h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Friday

Mostly Sunny then Slight Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
5 to 15 mph S
Destination
89°F
Friday

Sunny then Slight Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
5 to 10 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Grand Avenue

    2 mi · 4 min · Grand Avenue

  2. 2

    Turn left onto I 540 North, US 71 North

    1595 ft · 41 sec

  3. 3

    Merge slight left

    5.7 mi · 7 min

  4. 4

    Keep slight right to continue on I 40 East: Little Rock, Memphis

    119.2 mi · 1 hr 59 min

  5. 5

    Take the exit slight right toward US 64

    1242 ft · 30 sec

  6. 6

    Keep slight left

    65 m · 8 sec

  7. 7

    Turn left onto East Oak Street

    1.8 mi · 3 min · East Oak Street

  8. 8

    Continue on State Highway 64

    5.4 mi · 7 min · State Highway 64

  9. 9

    Continue on Vilonia Bypass

    25.9 mi · 32 min · Vilonia Bypass

  10. 10

    Take the exit slight left

    26.9 mi · 27 min

  11. 11

    Take the exit slight right toward US 64 East, US 67 North: Bald Knob, Batesville

    1533 ft · 46 sec

  12. 12

    Turn left

    28 mi · 36 min

  13. 13

    Arrive at your destination

    0 m · 1 sec · Batesville Boulevard

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
3 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
6 / 100 mi
Decision points by distance
Main Roads
I 40 East
119 mi · 55%
Vilonia Bypass
52.8 mi · 24%
I 540 North
6.04 mi · 3%
State Highway 64
5.41 mi · 3%
Grand Avenue
1.98 mi · 1%
East Oak Street
1.84 mi · 1%
Longest Stretch

I 40 East

Keep slight right to continue on I 40 East: Little Rock, Memphis

119 mi · 01h 59m

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 57m
Long day trip
Same-Day Return
07h 56m
Round-trip wheel time
Road vs Air
+58.4 mi
157.5 mi direct line
Halfway Stop
Morrilton
01h 58m from Fort Smith
Leave By
9:04 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Fort Smith and Sunny then Slight Chance Showers And Thunderstorms near Southside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fort Smith to Southside?

The road trip is about 215.9 miles (347.4 km) and usually takes 03h 57m 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?

Morrilton is a useful midpoint, sitting about 107.8 miles from Fort Smith and 108 miles from Southside.

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

The direct path is about 157.5 miles (253.5 km), while the road route adds roughly 58.4 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:04 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.86 one way or $57.71 round trip. Estimated CO2 is about 67.7 kg one way.

What should you check before leaving?

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

Stop Ideas Near Morrilton

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

Mid-route Guidance
Local place coverage is thin around Morrilton, 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 Morrilton.

RAIL

Little Rock Union Station

61 mi away
1400 West Markham Street
RAIL

Malvern station

88 mi away
200 East First St.
RAIL

Arkadelphia station

119 mi away
798 South 5th St.

Flight Path Map

This map shows the direct air route between Fort Smith and Southside. Straight-line distance: 157.5 mi (253.47 km).

Fort Smith

#1 Fort Smith

The second most populous city in Sebastian County, Arkansas.

Population87,764
Coordinates35.3859200, -94.3985500
Altitude134
CountryUnited States
Southside

#2 Southside

Human settlement in Arkansas, United States of America

Population3,990
Coordinates35.6984100, -91.6234700
Altitude109
CountryUnited States
Start: Fort Smith (-94.39855, 35.38592)
End: Southside (-91.62347, 35.69841)

Estimated Travel Time

Distance: 347 km by road

SpeedTime
30 mph (48.3 km/h)07h 11m
40 mph (64.37 km/h)05h 23m
50 mph (80.47 km/h)04h 18m
60 mph (96.56 km/h)03h 35m
70 mph (112.65 km/h)03h 05m
80 mph (129 km/h)02h 41m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.62 gal
28.83 L · about $28.86
Round trip
$57.71
15.24 gal · 57.66 L
Estimated CO2
67.7 kg one way
Round trip: 135.4 kg / 299 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $28.86 $57.71
Mid-grade $4.26 $32.45 $64.91
Premium $4.63 $35.24 $70.49
Diesel $5.42 $41.26 $82.52

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 17, 2026

There is no time difference between Fort Smith and Southside. The current time is 18:53:08.

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.