How far is Spearfish, SD from Mobridge, SD?
The driving distance from Spearfish, SD to Mobridge, SD is about 237.6 miles (382.3 km), with a travel time of about 05h 23m by car.
- The straight-line flight distance is about 182.5 miles (293.7 km).
- For a round trip, plan for roughly 10h 46m 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 23m.
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.
City in Meade County, South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Snow Showers Likely
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Spearfish and Mobridge.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spearfish and Mobridge.
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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
3 mi · 3 min
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7
Take the exit slight right
1650 ft · 42 sec
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8
Turn left onto Lazelle Street
2.4 mi · 3 min · Lazelle Street
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9
Continue on SD Highway 34
76.2 mi · 1 hr 27 min · SD Highway 34
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10
Turn left onto State Highway 73
27.4 mi · 41 min · State Highway 73
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11
Continue on 5th Avenue
1.2 km · 1 min · 5th Avenue
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12
Turn right onto Faith B
1350 ft · 23 sec · Faith B
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13
Continue on 1st Street East
23.7 mi · 35 min · 1st Street East
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14
Turn left onto State Highway 65
25.1 mi · 44 min · State Highway 65
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15
At the end of the road, turn right onto State Highway 20
3.1 mi · 5 min · State Highway 20
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16
Continue on Main Street
38.6 mi · 57 min · Main Street
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17
Continue on 1st Street
1506 ft · 25 sec · 1st Street
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18
Continue on SD Highway 20
12.8 mi · 19 min · SD Highway 20
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19
At the end of the road, turn right onto US Highway 12
6 mi · 7 min · US Highway 12
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20
Continue on West Grand Crossing
2.4 mi · 3 min · West Grand Crossing
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21
Turn right onto 4th Avenue East
22 m · 3 sec · 4th Avenue East
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22
Arrive at your destination
0 m · 1 sec · 4th Avenue East
Car Route Details
A richer read on the saved driving route between Spearfish and Mobridge.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
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.
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.
Snow Showers Likely leaving Spearfish and Mostly Sunny near Mobridge.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spearfish to Mobridge?
The road trip is about 237.6 miles (382.3 km) and usually takes 05h 23m 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?
Faith is a useful midpoint, sitting about 118.6 miles from Spearfish and 119 miles from Mobridge.
How much longer is the road route than the straight-line distance?
The direct path is about 182.5 miles (293.7 km), while the road route adds roughly 55.1 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 MDT. If you want a more comfortable same-day return, try to leave by 6:14 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.60 one way or $63.20 round trip. Estimated CO2 is about 74.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Spearfish and Mobridge, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Snow Showers Likely around Spearfish and Mostly Sunny near Mobridge.
Flight Path Map
This map shows the direct air route between Spearfish and Mobridge. Straight-line distance: 182.52 mi (293.73 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 Mobridge
City in South Dakota, United States of America
| Population | 3,373 |
| Coordinates | 45.5372200, -100.4279100 |
| Altitude | 506 |
| Country | United States |
End: Mobridge (-100.42791, 45.53722)
Estimated Travel Time
Distance: 382 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 54m |
| 40 mph (64.37 km/h) | 05h 56m |
| 50 mph (80.47 km/h) | 04h 45m |
| 60 mph (96.56 km/h) | 03h 57m |
| 70 mph (112.65 km/h) | 03h 23m |
| 80 mph (129 km/h) | 02h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $31.60 | $63.20 |
| Mid-grade | $4.25 | $35.64 | $71.28 |
| Premium | $4.65 | $39.00 | $78.00 |
| Diesel | $5.30 | $44.45 | $88.90 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.