How far is Spearfish, SD from Parkston, SD?
The driving distance from Spearfish, SD to Parkston, SD is about 341.8 miles (550 km), with a travel time of about 05h 40m by car.
- The straight-line flight distance is about 301.8 miles (485.7 km).
- For a round trip, plan for roughly 11h 20m 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 40m.
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.
Township in Jones County, South Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Sunny
Driving Route Map
The map below follows the saved road route between Spearfish and Parkston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spearfish and Parkston.
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1
Start on North Main Street
26 m · 30 sec · North Main Street
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2
Continue on North Main Street
51 m · 10 sec · North Main Street
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3
Turn right onto East Jackson Boulevard
2777 ft · 2 min · East Jackson Boulevard
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4
Take the ramp right toward I 90 East, US 85 South
1555 ft · 38 sec
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5
Merge slight left
14.2 mi · 14 min
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6
Continue straight
7.6 mi · 8 min
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7
Continue straight
23.6 mi · 24 min
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8
Continue straight
274.2 mi · 4 hr 19 min
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9
Take the exit slight right toward Mitchell
1578 ft · 39 sec
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10
Keep slight right
58 m · 5 sec
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11
Turn slight right onto South Burr Street
1402 ft · 26 sec · South Burr Street
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12
Continue on South Highway 37
1 mi · 2 min · South Highway 37
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13
Continue on SD Highway 37
19 mi · 28 min · SD Highway 37
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14
Turn left onto West Glynn Drive
1 km · 2 min · West Glynn Drive
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15
Arrive at your destination
0 m · 1 sec · East Glynn Drive
Car Route Details
A richer read on the saved driving route between Spearfish and Parkston.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 East
Continue straight
274 mi · 04h 19m
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.
Mostly Clear leaving Spearfish and Sunny near Parkston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spearfish to Parkston?
The road trip is about 341.8 miles (550 km) and usually takes 05h 40m 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?
Okaton is a useful midpoint, sitting about 170.5 miles from Spearfish and 171.2 miles from Parkston.
How much longer is the road route than the straight-line distance?
The direct path is about 301.8 miles (485.7 km), while the road route adds roughly 40 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 $45.48 one way or $90.96 round trip. Estimated CO2 is about 107.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Spearfish and Parkston, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Clear around Spearfish and Sunny near Parkston.
Flight Path Map
This map shows the direct air route between Spearfish and Parkston. Straight-line distance: 301.81 mi (485.71 km).
#1 Spearfish
City in Lawrence County, South Dakota, United States
| Population | 11,900 |
| Coordinates | 44.4908200, -103.8593700 |
| Altitude | 1112 |
| Country | United States |
#2 Parkston
City in Hitchinson County, South Dakota, United States
| Population | 1,456 |
| Coordinates | 43.3988800, -97.9836800 |
| Altitude | 425 |
| Country | United States |
End: Parkston (-97.98368, 43.39888)
Estimated Travel Time
Distance: 550 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 23m |
| 40 mph (64.37 km/h) | 08h 32m |
| 50 mph (80.47 km/h) | 06h 50m |
| 60 mph (96.56 km/h) | 05h 41m |
| 70 mph (112.65 km/h) | 04h 52m |
| 80 mph (129 km/h) | 04h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $45.48 | $90.96 |
| Mid-grade | $4.25 | $51.29 | $102.58 |
| Premium | $4.65 | $56.13 | $112.25 |
| Diesel | $5.30 | $63.97 | $127.93 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.