How far is Parkston, SD from Spearfish, SD?

The driving distance from Parkston, SD to Spearfish, SD is about 342.9 miles (551.8 km), with a travel time of about 05h 02m by car.

  • The straight-line flight distance is about 301.8 miles (485.7 km).
  • For a round trip, plan for roughly 10h 05m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
342.86 mi
05h 02m
Flight
301.81 mi
485.71 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Parkston.

Flight Distance

Direct air line
301.81 mi
Kilometers
485.71 km
Flight Time
00h 36m

Driving Distance

Road route
342.86 mi
Kilometers
551.78 km
Drive Time
05h 02m

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 02m.

Arrival Snapshot
Arrive in Spearfish
Sun, May 3, 2:53 PM MDT
Return by in Parkston
Sun, May 3, 8:56 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Parkston
2026-05-03T10:50
Arrive Spearfish
Sun, May 3, 3:53 PM CDT
Route Timing
05h 02m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:03 AM to 12:03 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:54 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Parkston
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Okaton
SD

Township in Jones County, South Dakota

From Parkston
170.6 mi
02h 31m
To Spearfish
172.3 mi
02h 31m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
46°F
Overnight

Mostly Cloudy

Starts
Sun, May 3 3:00 AM CDT
Wind
10 to 15 mph NNW
Destination
67°F
Sunday

Chance Showers And Thunderstorms

Starts
Sun, May 3 6:00 AM MDT
Wind
2 to 10 mph W

Driving Route Map

The map below follows the saved road route between Parkston and Spearfish.

Turn-by-Turn Driving Directions

Step-by-step road directions between Parkston and Spearfish.

  1. 1

    Start on East Glynn Drive

    1 km · 2 min · East Glynn Drive

  2. 2

    Turn right onto SD Highway 37

    19 mi · 28 min · SD Highway 37

  3. 3

    Continue on South Highway 37

    1 mi · 2 min · South Highway 37

  4. 4

    Continue on South Burr Street

    1936 ft · 35 sec · South Burr Street

  5. 5

    Take the ramp slight left

    2058 ft · 53 sec

  6. 6

    Merge slight left

    274.3 mi · 4 hr 19 min

  7. 7

    Continue straight

    31 mi · 31 min

  8. 8

    Continue straight

    14.2 mi · 14 min

  9. 9

    Take the exit slight right toward Jackson Boulevard, Black Hills State University

    1541 ft · 43 sec

  10. 10

    Turn left onto East Jackson Boulevard

    1 km · 2 min · East Jackson Boulevard

  11. 11

    Turn left onto North Main Street

    45 m · 14 sec · North Main Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · North Main Street

Car Route Details

A richer read on the saved driving route between Parkston and Spearfish.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
12 steps
3 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
3.5 / 100 mi
Decision points by distance
Main Roads
South Burr Street
320 mi · 93%
SD Highway 37
19 mi · 6%
South Highway 37
1.03 mi
East Glynn Drive
0.63 mi
East Jackson Boulevard
0.63 mi
Jackson Boulevard
0.29 mi
Longest Stretch

South Burr Street

Merge slight left

274 mi · 04h 19m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 02m
Long day trip
Same-Day Return
10h 06m
Round-trip wheel time
Road vs Air
+41.1 mi
301.8 mi direct line
Halfway Stop
Okaton
02h 31m from Parkston
Leave By
6:54 AM CDT
Early departure recommended
Weather Watch

Mostly Cloudy leaving Parkston and Chance Showers And Thunderstorms near Spearfish.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Parkston to Spearfish?

The road trip is about 342.9 miles (551.8 km) and usually takes 05h 02m 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 170.6 miles from Parkston and 172.3 miles from Spearfish.

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 41.1 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 CDT. If you want a more comfortable same-day return, try to leave by 6:54 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $45.63 one way or $91.26 round trip. Estimated CO2 is about 107.5 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Parkston and Spearfish, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Parkston and Chance Showers And Thunderstorms near Spearfish.

Flight Path Map

This map shows the direct air route between Parkston and Spearfish. Straight-line distance: 301.81 mi (485.71 km).

Parkston

#1 Parkston

City in Hitchinson County, South Dakota, United States

Population1,456
Coordinates43.3988800, -97.9836800
Altitude425
CountryUnited States
Spearfish

#2 Spearfish

City in Lawrence County, South Dakota, United States

Population11,900
Coordinates44.4908200, -103.8593700
Altitude1112
CountryUnited States
Start: East Glynn Drive (-97.983683, 43.398963)
End: North Main Street (-103.859247, 44.49086)

Estimated Travel Time

Distance: 552 km by road

SpeedTime
30 mph (48.3 km/h)11h 25m
40 mph (64.37 km/h)08h 34m
50 mph (80.47 km/h)06h 51m
60 mph (96.56 km/h)05h 42m
70 mph (112.65 km/h)04h 53m
80 mph (129 km/h)04h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.1 gal
45.8 L · about $45.63
Round trip
$91.26
24.2 gal · 91.6 L
Estimated CO2
107.5 kg one way
Round trip: 215.1 kg / 474 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $45.63 $91.26
Mid-grade $4.25 $51.46 $102.92
Premium $4.65 $56.31 $112.63
Diesel $5.30 $64.18 $128.36

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 · May 03, 2026

Please keep in mind that there is a 1 hour time gap between Parkston, SD and Spearfish, SD. The current time in Parkston is 10:50:46, although it is 09:50:46 in Spearfish.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.