Origin
Spearfish, SD
Night in Spearfish on Thursday
Local time
10:23 PM
MDT
Current temp
73°F
Unavailable
Live forecast
Trip from Spearfish, SD to Eagle Butte, SD
Last recalculated Apr 17, 2026
Drive Time
3h 35m
Distance
166.8 mi
268 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$26
one way
EV Charging
Unknown
Best Time to Leave
4 AM
3h 23m
★
6 AM
3h 35m
8 AM
4h 0m
10 AM
3h 44m
12 PM
3h 41m
3 PM
3h 45m
5 PM
3h 59m
8 PM
3h 28m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Spearfish, SD
Wikimedia Commons
Eagle Butte, SD
Frank Cone
Trip Overview
The drive from Spearfish, SD to Eagle Butte, SD covers 166.8 miles and takes about 3h 35m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on SD Highway 34, 1st Street East, State Highway 73 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 76.2 miles on SD Highway 34. At current regular gas prices, budget about $26.08 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
83.4 miles from Spearfish, SD
A natural place for your longest stop of the day , about 1h 34m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 35m. Total distance: 166.8 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 35m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (73%). Straightforward navigation.
Drive Character
This is a 3h 35m highway drive covering 166.8 miles, with most of the trip on SD Highway 34 and 1st Street East. The longest continuous stretch is about 76.2 miles on SD Highway 34.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
SD Highway 34 is the longest continuous segment at about 76.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on SD Highway 34 and 1st Street East. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes early in the drive near East Jackson Boulevard.
Driving Effort
2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Spearfish, SD to Eagle Butte, SD is easy. At 3h 35m with 73% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: near the start (East Jackson Boulevard): Navigation decision point; at 0.6 miles: Multiple destination signs - pick the right one; at 97 miles (SD 73 / State Highway 73): Navigation decision point.
Critical Maneuvers
5 of 9 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip
|
~0m in
|
East Jackson Boulevard
Turn right onto East Jackson Boulevard
Navigation decision point
5
0.6 mi into trip
|
~2m in
Take the ramp toward I 90 East, US 85 South
Multiple destination signs - pick the right one
Toward I 90 East, US 85 South
4
97 mi into trip
|
~1h 50m in
|
SD 73 / State Highway 73
Turn left onto SD 73 / State Highway 73
Navigation decision point
4
125.1 mi into trip
|
~2h 32m in
|
Faith 1b / Faith B
Turn right onto Faith 1b / Faith B
Navigation decision point
4
166.7 mi into trip
|
~3h 34m in
Turn left
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| SD Highway 34 | 76.2 mi | 1h 26m |
| 1st Street East | 40.8 mi | 1h |
| State Highway 73 | 27.4 mi | 40m |
| I 90 | 17.2 mi | 17m |
| Lazelle Street | 2.4 mi | 2m |
| 5th Avenue | 0.7 mi | 1m |
| East Jackson Boulevard | 0.5 mi | 1m |
| Main Street | 0.5 mi | 1m |
Longest stretch:
SD Highway 34
— 76.2 mi, about 1h 26m
Turn-by-Turn Driving Directions
Step-by-step road directions between Spearfish, SD and Eagle Butte, SD.
1
Start on I 90 Business
85 ft
·
30 sec
·
North Main Street
2
Continue on I 90 Business
166 ft
·
9 sec
·
North Main Street
3
Turn right onto East Jackson Boulevard
0.5 mi
·
1 min
·
East Jackson Boulevard
4
Take the ramp
0.3 mi
·
37 sec
Toward I 90 East, US 85 South
5
Merge onto I 90; US 14; US 85
14 mi
·
14 min
·
I 90; US 14; US 85
6
Continue on I 90; US 14; SD 34
3.0 mi
·
3 min
·
I 90; US 14; SD 34
7
Take the exit onto SD 34
0.3 mi
·
42 sec
·
SD 34
8
Turn left onto I 90 Business; US 14A; SD 34
2.4 mi
·
2 min
·
Lazelle Street
9
Continue on SD 34; SD 79
76 mi
·
1 hr 26 min
·
SD Highway 34
10
Turn left onto SD 73
27 mi
·
40 min
·
State Highway 73
11
Continue on SD 73
0.7 mi
·
1 min
·
5th Avenue
12
Turn right onto Faith 1b
0.3 mi
·
22 sec
·
Faith B
13
Continue on US 212
41 mi
·
1 hr
·
1st Street East
14
Turn right onto Main Street
0.5 mi
·
1 min
·
Main Street
15
Turn left
0.1 mi
·
27 sec
16
Arrive at destination
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 83.4 miles from Spearfish, SD, or about 1h 34m into the drive.
The longest continuous stretch on this route runs about 76.2 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 37 miles or 42m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 83.4 miles or 1h 34m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 49m
Traffic, exits, and arrival timing usually matter more near Eagle Butte, SD than in the middle of the route.
Before You Leave
+
Open the route before leaving Spearfish, SD so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Spearfish, SD
This is one driving day of about 166.8 miles and 3h 35m.
Your first comfortable stop window is around 37 miles from Spearfish, SD.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on SD Highway 34 for about 76.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 83.4 mi from Spearfish, SD · 1h 34m into the drive
Mid-route town
Meal stop
83 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 37 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 83.4 miles from Spearfish, SD, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before SD Highway 34 if your tank is already low. That segment runs about 76.2 miles.
Arriving in Eagle Butte, SD
The final approach into Eagle Butte, SD usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Eagle Butte, SD.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$26.08 one way
$52.15 round trip
$3.97/gal
25.4 MPG avg
58 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $28.63 | $57.26 |
| premium | $4.89 | $32.10 | $64.20 |
| diesel | $5.61 | $36.83 | $73.65 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$26
Meals
$25–$50
Total
$51–$76
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 58.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $18 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 50 | 0 | $17.51 | $8.01 |
| Efficient EV | 41.7 | 0 | $14.60 | $6.67 |
| EV Truck/SUV | 66.7 | 0 | $23.35 | $10.68 |
Gas CO2
58 kg
EV CO2
20 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Eagle Butte, SD
Night in Eagle Butte on Thursday
Local time
10:23 PM
MDT
Current temp
44°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
29 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 35m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Spearfish, SD to Eagle Butte, SD covers 166.8 miles and takes about 3h 35m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are SD Highway 34, 1st Street East, State Highway 73. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 83.4 miles from Spearfish, SD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $26.08 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
The drive from Spearfish, SD to Eagle Butte, SD is easy. At 3h 35m with 73% highway, most drivers will find it relaxed and low-stress.
The main spots that need attention: near the start (East Jackson Boulevard): Navigation decision point; at 0.6 miles: Multiple destination signs - pick the right one; at 97 miles (SD 73 / State Highway 73): Navigation decision point.
The route from Spearfish, SD to Eagle Butte, SD does not surface many named destination signs beyond the main corridor.
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