How far is Sioux Falls, SD from North Spearfish, SD?
The driving distance from Sioux Falls, SD to North Spearfish, SD is about 398.1 miles (640.7 km), with a travel time of about 06h 25m by car.
- The straight-line flight distance is about 363.2 miles (584.5 km).
- For a round trip, plan for roughly 12h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 06h 25m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Town in South Dakota, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Sioux Falls and North Spearfish.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux Falls and North Spearfish.
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1
Start on North Chicago Avenue
540 ft · 29 sec · North Chicago Avenue
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2
At the end of the road, turn left onto East 8th Street
992 ft · 29 sec · East 8th Street
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3
Turn right onto North Lowell Avenue
633 ft · 19 sec · North Lowell Avenue
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4
Turn left onto East 10th Street
549 ft · 25 sec · East 10th Street
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5
Take the ramp slight left
4.2 mi · 5 min
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6
Take the exit straight toward I 90
1343 ft · 46 sec
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7
Merge slight left
391.6 mi · 6 hr 14 min
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8
Take the exit slight right toward I-90 West
1639 ft · 46 sec
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9
Turn left onto Old Belle Road
1932 ft · 39 sec · Old Belle Road
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10
Continue on McGuigan Road
1.2 km · 1 min · McGuigan Road
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11
Turn right
130 m · 31 sec
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12
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Sioux Falls and North Spearfish.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90
Merge slight left
392 mi · 06h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Sioux Falls and Sunny near North Spearfish.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sioux Falls to North Spearfish?
The road trip is about 398.1 miles (640.7 km) and usually takes 06h 25m 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?
Draper is a useful midpoint, sitting about 198.6 miles from Sioux Falls and 199.5 miles from North Spearfish.
How much longer is the road route than the straight-line distance?
The direct path is about 363.2 miles (584.5 km), while the road route adds roughly 34.9 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 CDT. 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 $52.98 one way or $105.97 round trip. Estimated CO2 is about 124.9 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 North Spearfish, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Sioux Falls and Sunny near North Spearfish.
Flight Path Map
This map shows the direct air route between Sioux Falls and North Spearfish. Straight-line distance: 363.21 mi (584.53 km).
#1 Sioux Falls
The largest city in South Dakota.
| Population | 157,584 |
| Coordinates | 43.5499700, -96.7003300 |
| Altitude | 448 |
| Country | United States |
#2 North Spearfish
Census-designated place in Lawrence County, South Dakota, United States
| Population | 2,285 |
| Coordinates | 44.5066500, -103.8921500 |
| Altitude | 1113 |
| Country | United States |
End: North Spearfish (-103.89215, 44.50665)
Estimated Travel Time
Distance: 641 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 15m |
| 40 mph (64.37 km/h) | 09h 57m |
| 50 mph (80.47 km/h) | 07h 57m |
| 60 mph (96.56 km/h) | 06h 38m |
| 70 mph (112.65 km/h) | 05h 41m |
| 80 mph (129 km/h) | 04h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $52.98 | $105.97 |
| Mid-grade | $4.25 | $59.75 | $119.51 |
| Premium | $4.65 | $65.39 | $130.78 |
| Diesel | $5.30 | $74.52 | $149.04 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.