How far is Spearfish, SD from Eagle Butte, SD?

The driving distance from Spearfish, SD to Eagle Butte, SD is about 166.8 miles (268.4 km), with a travel time of about 03h 35m by car.

  • The straight-line flight distance is about 133.6 miles (215 km).
  • For a round trip, plan for roughly 07h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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
166.79 mi
03h 35m
Flight
133.61 mi
215.03 km direct

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

Learn Distance

Choose another destination from Spearfish.

Flight Distance

Direct air line
133.61 mi
Kilometers
215.03 km
Flight Time
00h 16m

Driving Distance

Road route
166.79 mi
Kilometers
268.42 km
Drive Time
03h 35m

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 03h 35m.

Arrival Snapshot
Arrive in Eagle Butte
Thu, Apr 16, 5:35 AM MDT
Return by in Spearfish
Thu, Apr 16, 9:10 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Spearfish
2026-04-16T01:59
Arrive Eagle Butte
Thu, Apr 16, 5:35 AM MDT
Route Timing
03h 35m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
9:35 AM to 11:35 AM MDT

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

Leave by
9:50 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Spearfish
9:00 PM MDT
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
Plainview
SD

Human settlement in Meade County, South Dakota, United States of America

From Spearfish
83.3 mi
01h 47m
To Eagle Butte
83.5 mi
01h 47m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Thursday

Mostly Sunny then Rain Showers Likely

Starts
Thu, Apr 16 6:00 AM MDT
Wind
14 to 18 mph W
Destination
72°F
Thursday

Mostly Sunny

Starts
Thu, Apr 16 6:00 AM MDT
Wind
14 to 22 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Spearfish and Eagle Butte.

  1. 1

    Start on North Main Street

    26 m · 30 sec · North Main Street

  2. 2

    Continue on North Main Street

    51 m · 10 sec · North Main Street

  3. 3

    Turn right onto East Jackson Boulevard

    2777 ft · 2 min · East Jackson Boulevard

  4. 4

    Take the ramp right toward I 90 East, US 85 South

    1555 ft · 38 sec

  5. 5

    Merge slight left

    14.2 mi · 14 min

  6. 6

    Continue straight

    3 mi · 3 min

  7. 7

    Take the exit slight right

    1650 ft · 42 sec

  8. 8

    Turn left onto Lazelle Street

    2.4 mi · 3 min · Lazelle Street

  9. 9

    Continue on SD Highway 34

    76.2 mi · 1 hr 27 min · SD Highway 34

  10. 10

    Turn left onto State Highway 73

    27.4 mi · 41 min · State Highway 73

  11. 11

    Continue on 5th Avenue

    1.2 km · 1 min · 5th Avenue

  12. 12

    Turn right onto Faith B

    1350 ft · 23 sec · Faith B

  13. 13

    Continue on 1st Street East

    40.8 mi · 1 hr 1 min · 1st Street East

  14. 14

    Turn right onto Main Street

    2459 ft · 1 min · Main Street

  15. 15

    Turn left

    606 ft · 28 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
16 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
9.6 / 100 mi
Decision points by distance
Main Roads
SD Highway 34
76.2 mi · 46%
1st Street East
40.8 mi · 24%
State Highway 73
27.4 mi · 16%
I 90 East
17.8 mi · 11%
Lazelle Street
2.38 mi · 1%
5th Avenue
0.74 mi
Longest Stretch

SD Highway 34

Continue on SD Highway 34

76.2 mi · 01h 27m

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
03h 35m
Long day trip
Same-Day Return
07h 10m
Round-trip wheel time
Road vs Air
+33.2 mi
133.6 mi direct line
Halfway Stop
Plainview
01h 47m from Spearfish
Leave By
9:50 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny then Rain Showers Likely leaving Spearfish and Mostly Sunny near Eagle Butte.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Spearfish to Eagle Butte?

The road trip is about 166.8 miles (268.4 km) and usually takes 03h 35m 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?

Plainview is a useful midpoint, sitting about 83.3 miles from Spearfish and 83.5 miles from Eagle Butte.

How much longer is the road route than the straight-line distance?

The direct path is about 133.6 miles (215 km), while the road route adds roughly 33.2 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 9:50 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.21 one way or $44.42 round trip. Estimated CO2 is about 52.3 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Rain Showers Likely around Spearfish and Mostly Sunny near Eagle Butte.

Flight Path Map

This map shows the direct air route between Spearfish and Eagle Butte. Straight-line distance: 133.61 mi (215.03 km).

Spearfish

#1 Spearfish

City in Lawrence County, South Dakota, United States

Population11,900
Coordinates44.4908200, -103.8593700
Altitude1112
CountryUnited States
Photo coming soon

#2 Eagle Butte

City in Dewey and Ziebach counties in South Dakota, United States

Population1,418
Coordinates45.0024800, -101.2334900
Altitude737
CountryUnited States
Start: Spearfish (-103.85937, 44.49082)
End: Eagle Butte (-101.23349, 45.00248)

Estimated Travel Time

Distance: 268 km by road

SpeedTime
30 mph (48.3 km/h)05h 33m
40 mph (64.37 km/h)04h 10m
50 mph (80.47 km/h)03h 20m
60 mph (96.56 km/h)02h 46m
70 mph (112.65 km/h)02h 22m
80 mph (129 km/h)02h 04m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.89 gal
22.31 L · about $22.21
Round trip
$44.42
11.78 gal · 44.62 L
Estimated CO2
52.3 kg one way
Round trip: 104.7 kg / 231 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $22.21 $44.42
Mid-grade $4.25 $25.05 $50.10
Premium $4.65 $27.41 $54.82
Diesel $5.30 $31.24 $62.48

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

There is no time difference between Spearfish and Eagle Butte. The current time is 01:59:56.

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.