How far is North Spearfish, SD from Harrisburg, SD?
The driving distance from North Spearfish, SD to Harrisburg, SD is about 406.1 miles (653.5 km), with a travel time of about 05h 48m by car.
- The straight-line flight distance is about 365.3 miles (587.9 km).
- For a round trip, plan for roughly 11h 37m 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 48m.
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.
Census-designated place in Lyman County, South Dakota, United States
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 Harrisburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Spearfish and Harrisburg.
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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
387.1 mi · 6 hr 9 min
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6
Take the exit slight right
2349 ft · 57 sec
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7
Merge slight left
12.2 mi · 14 min
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8
Take the exit slight right
1448 ft · 41 sec
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9
Turn left onto 273rd Street
3.5 mi · 6 min · 273rd Street
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10
Continue on West Willow Street
1.6 mi · 3 min · West Willow Street
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11
Arrive at your destination
0 m · 1 sec · East Willow Street
Car Route Details
A richer read on the saved driving route between North Spearfish and Harrisburg.
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
387 mi · 06h 09m
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 Harrisburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Spearfish to Harrisburg?
The road trip is about 406.1 miles (653.5 km) and usually takes 05h 48m 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?
Vivian is a useful midpoint, sitting about 202.8 miles from North Spearfish and 203.3 miles from Harrisburg.
How much longer is the road route than the straight-line distance?
The direct path is about 365.3 miles (587.9 km), while the road route adds roughly 40.8 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 5:22 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $54.04 one way or $108.08 round trip. Estimated CO2 is about 127.4 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 Harrisburg, 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 Harrisburg.
Flight Path Map
This map shows the direct air route between North Spearfish and Harrisburg. Straight-line distance: 365.29 mi (587.87 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 Harrisburg
City in South Dakota, United States of America
| Population | 7,126 |
| Coordinates | 43.4313700, -96.6972700 |
| Altitude | 435 |
| Country | United States |
End: Willow Street (-96.697271, 43.431465)
Estimated Travel Time
Distance: 654 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 31m |
| 40 mph (64.37 km/h) | 10h 09m |
| 50 mph (80.47 km/h) | 08h 07m |
| 60 mph (96.56 km/h) | 06h 46m |
| 70 mph (112.65 km/h) | 05h 48m |
| 80 mph (129 km/h) | 05h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $54.04 | $108.08 |
| Mid-grade | $4.25 | $60.95 | $121.89 |
| Premium | $4.65 | $66.69 | $133.38 |
| Diesel | $5.30 | $76.01 | $152.01 |
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.