How far is Sioux Falls, SD from Belle Fourche, SD?

The driving distance from Sioux Falls, SD to Belle Fourche, SD is about 400.8 miles (645.1 km), with a travel time of about 05h 34m by car.

  • The straight-line flight distance is about 363 miles (584.2 km).
  • For a round trip, plan for roughly 11h 09m 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
400.88 mi
05h 34m
Flight
363.02 mi
584.23 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
363.02 mi
Kilometers
584.23 km
Flight Time
00h 43m

Driving Distance

Road route
400.88 mi
Kilometers
645.15 km
Drive Time
05h 34m

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 05h 34m.

Arrival Snapshot
Arrive in Belle Fourche
Thu, Apr 23, 2:36 AM MDT
Return by in Sioux Falls
Thu, Apr 23, 9:11 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sioux Falls
2026-04-22T22:02
Arrive Belle Fourche
Thu, Apr 23, 3:36 AM CDT
Route Timing
05h 34m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:35 AM to 12:35 PM MDT

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

Leave by
5:50 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
Draper
SD

Town in South Dakota, United States of America

From Sioux Falls
200.2 mi
02h 47m
To Belle Fourche
200.6 mi
02h 47m

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
82°F
Wednesday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
9 to 21 mph SW

Driving Route Map

The map below follows the saved road route between Sioux Falls and Belle Fourche.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sioux Falls and Belle Fourche.

  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

    376.9 mi · 5 hr 59 min

  8. 8

    Take the exit slight right toward SD 34 West: Whitewood, Belle Fourche

    1463 ft · 36 sec

  9. 9

    Turn right onto SD Highway 34

    17.4 mi · 21 min · SD Highway 34

  10. 10

    Turn right onto 5th Avenue

    1.7 mi · 4 min · 5th Avenue

  11. 11

    Turn right onto State Street

    117 m · 15 sec · State Street

  12. 12

    Turn right onto 6th Avenue

    8 m · 1 sec · 6th Avenue

  13. 13

    Arrive at your destination

    0 m · 1 sec · 6th Avenue

Car Route Details

A richer read on the saved driving route between Sioux Falls and Belle Fourche.

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
13 steps
7 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
3.2 / 100 mi
Decision points by distance
Main Roads
I 90
377 mi · 94%
SD Highway 34
17.4 mi · 4%
East 10th Street
4.33 mi · 1%
5th Avenue
1.66 mi
SD 34 West
0.28 mi
East 8th Street
0.19 mi
Longest Stretch

I 90

Merge slight left

377 mi · 05h 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
05h 34m
Long day trip
Same-Day Return
11h 10m
Round-trip wheel time
Road vs Air
+37.8 mi
363 mi direct line
Halfway Stop
Draper
02h 47m from Sioux Falls
Leave By
5:50 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Sioux Falls and Partly Sunny then Slight Chance Showers And Thunderstorms near Belle Fourche.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sioux Falls to Belle Fourche?

The road trip is about 400.8 miles (645.1 km) and usually takes 05h 34m 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?

Draper is a useful midpoint, sitting about 200.2 miles from Sioux Falls and 200.6 miles from Belle Fourche.

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

The direct path is about 363 miles (584.2 km), while the road route adds roughly 37.8 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 5:50 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $53.36 one way or $106.72 round trip. Estimated CO2 is about 125.8 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 Belle Fourche, 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 Belle Fourche.

Flight Path Map

This map shows the direct air route between Sioux Falls and Belle Fourche. Straight-line distance: 363.02 mi (584.23 km).

Sioux Falls

#1 Sioux Falls

The largest city in South Dakota.

Population157,584
Coordinates43.5499700, -96.7003300
Altitude448
CountryUnited States
Belle Fourche

#2 Belle Fourche

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

Population5,742
Coordinates44.6713700, -103.8521500
Altitude921
CountryUnited States
Start: North Chicago Avenue (-96.700171, 43.549971)
End: 6th Avenue (-103.852143, 44.67137)

Estimated Travel Time

Distance: 645 km by road

SpeedTime
30 mph (48.3 km/h)13h 21m
40 mph (64.37 km/h)10h 01m
50 mph (80.47 km/h)08h 01m
60 mph (96.56 km/h)06h 40m
70 mph (112.65 km/h)05h 43m
80 mph (129 km/h)05h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.15 gal
53.55 L · about $53.36
Round trip
$106.72
28.3 gal · 107.1 L
Estimated CO2
125.8 kg one way
Round trip: 251.5 kg / 554 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $53.36 $106.72
Mid-grade $4.25 $60.18 $120.36
Premium $4.65 $65.85 $131.71
Diesel $5.30 $75.05 $150.10

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 23, 2026

Please keep in mind that there is a 1 hour time gap between Sioux Falls, SD and Belle Fourche, SD. The current time in Sioux Falls is 22:02:11, although it is 21:02:11 in Belle Fourche.

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.