How far is Mobridge, SD from Spearfish, SD?
The driving distance from Mobridge, SD to Spearfish, SD is about 225.4 miles (362.8 km), with a travel time of about 03h 59m by car.
- The straight-line flight distance is about 182.5 miles (293.7 km).
- For a round trip, plan for roughly 07h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 03h 59m.
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.
Rain And Snow Showers Likely
Snow Showers Likely
Driving Route Map
The map below follows the saved road route between Mobridge and Spearfish.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mobridge and Spearfish.
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1
Start on 4th Avenue East
22 m · 8 sec · 4th Avenue East
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2
Turn left onto East Grand Crossing
2.4 mi · 3 min · East Grand Crossing
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3
Continue on US Highway 12
6 mi · 7 min · US Highway 12
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4
Turn left onto SD Highway 20
12.8 mi · 19 min · SD Highway 20
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5
Continue on 1st Street
1506 ft · 25 sec · 1st Street
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6
Continue on SD Highway 20
38.6 mi · 57 min · SD Highway 20
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7
Continue on State Highway 20
3.1 mi · 5 min · State Highway 20
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8
Turn left onto State Highway 65
25.1 mi · 44 min · State Highway 65
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9
Turn right
23.7 mi · 35 min
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10
Continue on Faith B
1350 ft · 28 sec · Faith B
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11
Turn left onto West 5th Avenue
1.2 km · 1 min · West 5th Avenue
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12
Continue on State Highway 73
27.4 mi · 41 min · State Highway 73
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13
At the end of the road, turn right onto SD Highway 34
76.2 mi · 1 hr 27 min · SD Highway 34
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14
Continue on Lazelle Street
2.3 mi · 3 min · Lazelle Street
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15
Take the exit right
17.6 mi · 18 min
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16
Take the exit slight right toward Jackson Boulevard, Black Hills State University
1541 ft · 43 sec
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17
Turn left onto East Jackson Boulevard
1 km · 2 min · East Jackson Boulevard
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18
Turn left onto North Main Street
45 m · 14 sec · North Main Street
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19
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between Mobridge and Spearfish.
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
At the end of the road, turn right onto 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.
Rain And Snow Showers Likely leaving Mobridge and Snow Showers Likely near Spearfish.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mobridge to Spearfish?
The road trip is about 225.4 miles (362.8 km) and usually takes 03h 59m 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 Mobridge and 106.8 miles from Spearfish.
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 42.9 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 9:00 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.98 one way or $59.96 round trip. Estimated CO2 is about 70.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Mobridge and Spearfish, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers Likely around Mobridge and Snow Showers Likely near Spearfish.
Flight Path Map
This map shows the direct air route between Mobridge and Spearfish. Straight-line distance: 182.52 mi (293.73 km).
#1 Mobridge
City in South Dakota, United States of America
| Population | 3,373 |
| Coordinates | 45.5372200, -100.4279100 |
| Altitude | 506 |
| Country | United States |
#2 Spearfish
City in Lawrence County, South Dakota, United States
| Population | 11,900 |
| Coordinates | 44.4908200, -103.8593700 |
| Altitude | 1112 |
| Country | United States |
End: North Main Street (-103.859247, 44.49086)
Estimated Travel Time
Distance: 363 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 30m |
| 40 mph (64.37 km/h) | 05h 38m |
| 50 mph (80.47 km/h) | 04h 30m |
| 60 mph (96.56 km/h) | 03h 45m |
| 70 mph (112.65 km/h) | 03h 13m |
| 80 mph (129 km/h) | 02h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $29.98 | $59.96 |
| Mid-grade | $4.25 | $33.81 | $67.62 |
| Premium | $4.65 | $37.00 | $74.00 |
| Diesel | $5.30 | $42.17 | $84.33 |
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.