How far is North Spearfish, SD from Sioux Falls, SD?
The driving distance from North Spearfish, SD to Sioux Falls, SD is about 397 miles (638.9 km), with a travel time of about 05h 39m by car.
- The straight-line flight distance is about 363.2 miles (584.5 km).
- For a round trip, plan for roughly 11h 19m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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 05h 39m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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
Sunny
Driving Route Map
The map below follows the saved road route between North Spearfish and Sioux Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Spearfish and Sioux Falls.
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1
Start on the route
130 m · 36 sec
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2
Turn left onto McGuigan Road
1.2 km · 1 min · McGuigan Road
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3
Continue on Old Belle Road
1191 ft · 25 sec · Old Belle Road
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4
Take the ramp right toward I-90 East
2060 ft · 50 sec
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5
Merge slight left
391.2 mi · 6 hr 14 min
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6
Take the exit slight right toward I 229 South
2551 ft · 33 sec
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7
Merge slight left
3.6 mi · 4 min
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8
Take the exit slight right toward 10th Street, Downtown
1309 ft · 32 sec
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9
Keep slight right to continue on SD 42: Downtown, Washington Pavilion
610 ft · 21 sec
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10
Turn right onto South Lowell Avenue
633 ft · 23 sec · South Lowell Avenue
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11
Turn left onto East 8th Street
992 ft · 29 sec · East 8th Street
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12
Turn right onto North Chicago Avenue
540 ft · 24 sec · North Chicago Avenue
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13
Arrive at your destination
0 m · 1 sec · North Chicago Avenue
Car Route Details
A richer read on the saved driving route between North Spearfish and Sioux Falls.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I-90 East
Merge slight left
391 mi · 06h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving North Spearfish and Sunny near Sioux Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Spearfish to Sioux Falls?
The road trip is about 397 miles (638.9 km) and usually takes 05h 39m 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 198.3 miles from North Spearfish and 198.7 miles from Sioux Falls.
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 33.8 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 MDT. If you want a more comfortable same-day return, try to leave by 5:40 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $52.83 one way or $105.66 round trip. Estimated CO2 is about 124.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between North Spearfish and Sioux Falls, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around North Spearfish and Sunny near Sioux Falls.
Flight Path Map
This map shows the direct air route between North Spearfish and Sioux Falls. Straight-line distance: 363.21 mi (584.53 km).
#1 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 |
#2 Sioux Falls
The largest city in South Dakota.
| Population | 157,584 |
| Coordinates | 43.5499700, -96.7003300 |
| Altitude | 448 |
| Country | United States |
End: North Chicago Avenue (-96.700171, 43.549971)
Estimated Travel Time
Distance: 639 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 13m |
| 40 mph (64.37 km/h) | 09h 55m |
| 50 mph (80.47 km/h) | 07h 56m |
| 60 mph (96.56 km/h) | 06h 36m |
| 70 mph (112.65 km/h) | 05h 40m |
| 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 | $52.83 | $105.66 |
| Mid-grade | $4.25 | $59.58 | $119.17 |
| Premium | $4.65 | $65.20 | $130.41 |
| Diesel | $5.30 | $74.31 | $148.62 |
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.