How far is Harrisburg, SD from North Spearfish, SD?
The driving distance from Harrisburg, SD to North Spearfish, SD is about 407 miles (655 km), with a travel time of about 06h 36m by car.
- The straight-line flight distance is about 365.3 miles (587.9 km).
- For a round trip, plan for roughly 13h 13m 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 36m.
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.
Census-designated place in Lyman County, South Dakota, United States
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 Harrisburg and North Spearfish.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrisburg and North Spearfish.
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1
Start on East Willow Street
1.8 mi · 3 min · East Willow Street
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2
Continue on 273rd Street
3.2 mi · 6 min · 273rd Street
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3
Take the ramp right
1644 ft · 40 sec
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4
Merge slight left
12.5 mi · 14 min
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5
Take the exit slight right toward I 90 West: Rapid City
1236 ft · 30 sec
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6
Merge slight left
387.5 mi · 6 hr 9 min
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7
Take the exit slight right toward I-90 West
1639 ft · 46 sec
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8
Turn left onto Old Belle Road
1932 ft · 39 sec · Old Belle Road
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9
Continue on McGuigan Road
1.2 km · 1 min · McGuigan Road
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10
Turn right
130 m · 31 sec
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11
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Harrisburg 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 West
Merge slight left
388 mi · 06h 09m
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 Harrisburg 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 Harrisburg to North Spearfish?
The road trip is about 407 miles (655 km) and usually takes 06h 36m 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?
Vivian is a useful midpoint, sitting about 203.1 miles from Harrisburg and 203.9 miles from North Spearfish.
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 41.7 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 $54.15 one way or $108.30 round trip. Estimated CO2 is about 127.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Harrisburg 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 Harrisburg and Sunny near North Spearfish.
Flight Path Map
This map shows the direct air route between Harrisburg and North Spearfish. Straight-line distance: 365.29 mi (587.87 km).
#1 Harrisburg
City in South Dakota, United States of America
| Population | 7,126 |
| Coordinates | 43.4313700, -96.6972700 |
| Altitude | 435 |
| 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: 655 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 33m |
| 40 mph (64.37 km/h) | 10h 10m |
| 50 mph (80.47 km/h) | 08h 08m |
| 60 mph (96.56 km/h) | 06h 47m |
| 70 mph (112.65 km/h) | 05h 48m |
| 80 mph (129 km/h) | 05h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $54.15 | $108.30 |
| Mid-grade | $4.25 | $61.07 | $122.15 |
| Premium | $4.65 | $66.83 | $133.66 |
| Diesel | $5.30 | $76.17 | $152.33 |
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.