How far is Mobridge, SD from Rapid City, SD?
The driving distance from Mobridge, SD to Rapid City, SD is about 241.4 miles (388.5 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 170.3 miles (274.1 km).
- For a round trip, plan for roughly 08h 26m 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 04h 13m.
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.
Town in South Dakota, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Mobridge and Rapid City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mobridge and Rapid City.
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1
Start on 4th Avenue East
22 m · 5 sec · 4th Avenue East
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2
Turn right onto East Grand Crossing
1 mi · 1 min · East Grand Crossing
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3
Continue on US Highway 12
18.5 mi · 21 min · US Highway 12
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4
Continue on Highway 12 & 83
1.5 km · 1 min · Highway 12 & 83
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5
Continue on US Highway 12
3.6 mi · 4 min · US Highway 12
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6
Turn right onto US Highway 83
30.7 mi · 35 min · US Highway 83
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7
Continue on US Highway 83
36.2 mi · 41 min · US Highway 83
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8
Turn right
16.4 mi · 19 min
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9
Continue on North Euclid Avenue
1.6 km · 2 min · North Euclid Avenue
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10
Turn left onto South Pierre Street
564 ft · 14 sec · South Pierre Street
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11
Turn right onto West Sioux Avenue
1.5 km · 1 min · West Sioux Avenue
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12
Continue on North Highway 83
2600 ft · 36 sec · North Highway 83
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13
Continue on North Deadwood Street
1.1 km · 46 sec · North Deadwood Street
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14
Continue on North 1st Street
1.6 km · 1 min · North 1st Street
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15
Continue on South US Highway 83
30.6 mi · 35 min · South US Highway 83
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16
Take the exit slight right
95.4 mi · 1 hr 30 min
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17
Continue straight
59.9 mi · 58 min
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18
Take the exit slight right toward I 190, US 16: Downtown, Black Hawk National Forest, Mount Rushmore
2265 ft · 1 min
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19
Continue straight
1.4 mi · 2 min
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20
Turn left onto Omaha Street
1148 ft · 39 sec · Omaha Street
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21
Turn right onto Mount Rushmore Road
1223 ft · 46 sec · Mount Rushmore Road
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22
Arrive at your destination
0 m · 1 sec · Mount Rushmore Road
Car Route Details
A richer read on the saved driving route between Mobridge and Rapid City.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
South US Highway 83
Take the exit slight right
95.4 mi · 01h 30m
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 Showers Likely leaving Mobridge and Partly Sunny then Slight Chance Showers And Thunderstorms near Rapid City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mobridge to Rapid City?
The road trip is about 241.4 miles (388.5 km) and usually takes 04h 13m 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?
Draper is a useful midpoint, sitting about 149.8 miles from Mobridge and 91.7 miles from Rapid City.
How much longer is the road route than the straight-line distance?
The direct path is about 170.3 miles (274.1 km), while the road route adds roughly 71.1 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 CDT. If you want a more comfortable same-day return, try to leave by 8:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.13 one way or $64.26 round trip. Estimated CO2 is about 75.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Mobridge and Rapid City, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Mobridge and Partly Sunny then Slight Chance Showers And Thunderstorms near Rapid City.
Flight Path Map
This map shows the direct air route between Mobridge and Rapid City. Straight-line distance: 170.31 mi (274.08 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 Rapid City
The second most populous city in South Dakota.
| Population | 77,503 |
| Coordinates | 44.0805400, -103.2310100 |
| Altitude | 988 |
| Country | United States |
End: Mount Rushmore Road (-103.231059, 44.080547)
Estimated Travel Time
Distance: 388 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 02m |
| 40 mph (64.37 km/h) | 06h 02m |
| 50 mph (80.47 km/h) | 04h 49m |
| 60 mph (96.56 km/h) | 04h 01m |
| 70 mph (112.65 km/h) | 03h 26m |
| 80 mph (129 km/h) | 03h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.13 | $64.26 |
| Mid-grade | $4.25 | $36.24 | $72.47 |
| Premium | $4.65 | $39.65 | $79.30 |
| Diesel | $5.30 | $45.19 | $90.38 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.