Origin
Mobridge, SD
Late night in Mobridge on Saturday
Local time
4:25 AM
CDT
Current temp
45°F
Unavailable
Live forecast
Trip from Mobridge, SD to Spearfish, SD
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
3h 59m
Distance
225.4 mi
363 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$35
one way
EV Charging
Unknown
Best Time to Leave
4 AM
3h 47m
★
6 AM
4h 0m
8 AM
4h 25m
10 AM
4h 9m
12 PM
4h 6m
3 PM
4h 10m
5 PM
4h 24m
8 PM
3h 52m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Mobridge, SD
Patrick
Spearfish, SD
Wikimedia Commons
Trip Overview
The drive from Mobridge, SD to Spearfish, SD covers 225.4 miles and takes about 3h 59m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on East Grand Crossing, Highway 12, Highway 20 for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $35.24 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
112.7 miles from Mobridge, SD
A natural place for your longest stop of the day , about 1h 59m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 59m. Total distance: 225.4 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 59m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a 3h 59m drive with frequent turns across 225.4 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 19 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
East Grand Crossing is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 3h 59m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Mobridge, SD to Spearfish, SD is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| East Grand Crossing | — | — |
| Highway 12 | — | — |
| Highway 20 | — | — |
| 1st Street | — | — |
| Highway 65 | — | — |
| Faith B | — | — |
| West 5th Avenue | — | — |
| Highway 73 | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
East Grand Crossing
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mobridge, SD and Spearfish, SD.
1
Start on 4th Avenue East
72 ft
·
8 sec
·
4th Avenue East
2
Turn left onto East Grand Crossing
2.4 mi
·
2 min
·
East Grand Crossing
3
Continue on US Highway 12
6.0 mi
·
6 min
·
US Highway 12
4
Turn left onto SD Highway 20
13 mi
·
19 min
·
SD Highway 20
5
Continue on 1st Street
0.3 mi
·
25 sec
·
1st Street
6
Continue on SD Highway 20
39 mi
·
57 min
·
SD Highway 20
7
Continue on State Highway 20
3.1 mi
·
4 min
·
State Highway 20
8
Turn left onto State Highway 65
25 mi
·
44 min
·
State Highway 65
9
Turn right
24 mi
·
35 min
10
Continue on Faith B
0.3 mi
·
28 sec
·
Faith B
11
Turn left onto West 5th Avenue
0.7 mi
·
1 min
·
West 5th Avenue
12
Continue on State Highway 73
27 mi
·
40 min
·
State Highway 73
13
At the end of the road, turn right onto SD Highway 34
76 mi
·
1 hr 26 min
·
SD Highway 34
14
Continue on Lazelle Street
2.3 mi
·
2 min
·
Lazelle Street
15
Take the exit right
18 mi
·
17 min
16
Take the exit slight right toward Jackson Boulevard, Black Hills State University
0.3 mi
·
43 sec
·
Jackson Boulevard, Black Hills State University
17
Turn left onto East Jackson Boulevard
0.6 mi
·
1 min
·
East Jackson Boulevard
18
Turn left onto North Main Street
148 ft
·
14 sec
·
North Main Street
19
Arrive at your 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 112.7 miles from Mobridge, SD, or about 1h 59m into the drive.
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 50 miles or 53m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 112.7 miles or 1h 59m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 16m
Traffic, exits, and arrival timing usually matter more near Spearfish, SD than in the middle of the route.
Before You Leave
+
Open the route before leaving Mobridge, 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 Mobridge, SD
This is one driving day of about 225.4 miles and 3h 59m.
Your first comfortable stop window is around 50 miles from Mobridge, 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.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 112.7 mi from Mobridge, SD · 1h 59m into the drive
Mid-route town
Meal stop
113 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 50 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 112.7 miles from Mobridge, SD, which is a good place for a longer meal and fuel stop.
Arriving in Spearfish, SD
The final approach into Spearfish, 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 Spearfish, 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
$35.24 one way
$70.48 round trip
$3.97/gal
25.4 MPG avg
79 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $38.69 | $77.38 |
| premium | $4.89 | $43.38 | $86.75 |
| diesel | $5.61 | $49.77 | $99.53 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$35
Meals
$25–$50
Total
$60–$85
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 78.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $24 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 67.6 | 0 | $23.67 | $10.82 |
| Efficient EV | 56.4 | 0 | $19.72 | $9.02 |
| EV Truck/SUV | 90.2 | 1 | $31.56 | $14.43 |
Gas CO2
79 kg
EV CO2
26 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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
Spearfish, SD
Late night in Spearfish on Saturday
Local time
3:25 AM
MDT
Current temp
73°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
1 hour earlier
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
28 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 59m 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 Mobridge, SD to Spearfish, SD covers 225.4 miles and takes about 3h 59m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are East Grand Crossing, Highway 12, Highway 20. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 112.7 miles from Mobridge, SD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $35.24 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.
This is a straightforward 3h 59m drive. You will face about 0 decision points, but nothing that requires special attention if you follow navigation.
This route does not have any notably tricky sections. Most of the drive from Mobridge, SD to Spearfish, SD is straightforward, with well-signed roads and simple exits.
The route from Mobridge, SD to Spearfish, SD does not surface many named destination signs beyond the main corridor.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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