How far is Sioux Falls, SD from Box Elder, SD?

The driving distance from Sioux Falls, SD to Box Elder, SD is about 339.7 miles (546.7 km), with a travel time of about 04h 38m by car.

  • The straight-line flight distance is about 319.7 miles (514.5 km).
  • For a round trip, plan for roughly 09h 17m 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
339.68 mi
04h 38m
Flight
319.68 mi
514.48 km direct

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

Learn Distance

Choose another destination from Sioux Falls.

Flight Distance

Direct air line
319.68 mi
Kilometers
514.48 km
Flight Time
00h 38m

Driving Distance

Road route
339.68 mi
Kilometers
546.66 km
Drive Time
04h 38m

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 04h 38m.

Arrival Snapshot
Arrive in Box Elder
Wed, Apr 22, 8:32 PM MDT
Return by in Sioux Falls
Thu, Apr 23, 2:11 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sioux Falls
2026-04-22T16:53
Arrive Box Elder
Wed, Apr 22, 9:32 PM CDT
Route Timing
04h 38m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:39 AM to 11:39 AM MDT

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

Leave by
7:42 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Sioux Falls
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
Kennebec
SD

City in and county seat of Lyman County, South Dakota, United States

From Sioux Falls
169.6 mi
02h 19m
To Box Elder
170 mi
02h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
10 to 25 mph SSE
Destination
88°F
Wednesday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
9 to 22 mph S

Driving Route Map

The map below follows the saved road route between Sioux Falls and Box Elder.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sioux Falls and Box Elder.

  1. 1

    Start on North Chicago Avenue

    540 ft · 29 sec · North Chicago Avenue

  2. 2

    At the end of the road, turn left onto East 8th Street

    992 ft · 29 sec · East 8th Street

  3. 3

    Turn right onto North Lowell Avenue

    633 ft · 19 sec · North Lowell Avenue

  4. 4

    Turn left onto East 10th Street

    549 ft · 25 sec · East 10th Street

  5. 5

    Take the ramp slight left

    4.2 mi · 5 min

  6. 6

    Take the exit straight toward I 90

    1343 ft · 46 sec

  7. 7

    Merge slight left

    333.2 mi · 5 hr 14 min

  8. 8

    Take the exit slight right toward Box Elder, Elisworth AirForce Base

    1962 ft · 48 sec

  9. 9

    Keep slight left

    28 m · 7 sec

  10. 10

    Turn left onto Liberty Boulevard

    2562 ft · 52 sec · Liberty Boulevard

  11. 11

    Turn right onto Highway 1416

    1.5 km · 2 min · Highway 1416

  12. 12

    Turn left onto Oak Street

    671 ft · 32 sec · Oak Street

  13. 13

    Turn right onto Front Street

    29 m · 4 sec · Front Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Sioux Falls and Box Elder.

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
14 steps
7 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
4.1 / 100 mi
Decision points by distance
Main Roads
I 90
334 mi · 98%
East 10th Street
4.33 mi · 1%
Highway 1416
0.9 mi
Liberty Boulevard
0.49 mi
East 8th Street
0.19 mi
Oak Street
0.13 mi
Longest Stretch

I 90

Merge slight left

333 mi · 05h 14m

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
04h 38m
Long day trip
Same-Day Return
09h 18m
Round-trip wheel time
Road vs Air
+20 mi
319.7 mi direct line
Halfway Stop
Kennebec
02h 19m from Sioux Falls
Leave By
7:42 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Sioux Falls and Partly Sunny then Slight Chance Showers And Thunderstorms near Box Elder.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sioux Falls to Box Elder?

The road trip is about 339.7 miles (546.7 km) and usually takes 04h 38m 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?

Kennebec is a useful midpoint, sitting about 169.6 miles from Sioux Falls and 170 miles from Box Elder.

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

The direct path is about 319.7 miles (514.5 km), while the road route adds roughly 20 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 7:42 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $45.21 one way or $90.43 round trip. Estimated CO2 is about 106.6 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Sioux Falls and Box Elder, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Sioux Falls and Partly Sunny then Slight Chance Showers And Thunderstorms near Box Elder.

Flight Path Map

This map shows the direct air route between Sioux Falls and Box Elder. Straight-line distance: 319.68 mi (514.48 km).

Sioux Falls

#1 Sioux Falls

The largest city in South Dakota.

Population157,584
Coordinates43.5499700, -96.7003300
Altitude448
CountryUnited States
Box Elder

#2 Box Elder

City in Pennington County, South Dakota, United States

Population7,165
Coordinates44.1124900, -103.0682300
Altitude925
CountryUnited States
Start: North Chicago Avenue (-96.700171, 43.549971)
End: Front Street (-103.068237, 44.112405)

Estimated Travel Time

Distance: 547 km by road

SpeedTime
30 mph (48.3 km/h)11h 19m
40 mph (64.37 km/h)08h 29m
50 mph (80.47 km/h)06h 47m
60 mph (96.56 km/h)05h 39m
70 mph (112.65 km/h)04h 51m
80 mph (129 km/h)04h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.99 gal
45.37 L · about $45.21
Round trip
$90.43
23.98 gal · 90.74 L
Estimated CO2
106.6 kg one way
Round trip: 213.1 kg / 470 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $45.21 $90.43
Mid-grade $4.25 $50.99 $101.99
Premium $4.65 $55.80 $111.60
Diesel $5.30 $63.59 $127.19

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 South Dakota · Apr 22, 2026

Please keep in mind that there is a 1 hour time gap between Sioux Falls, SD and Box Elder, SD. The current time in Sioux Falls is 16:53:36, although it is 15:53:36 in Box Elder.

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.