How far is Porcupine, SD from Mitchell, SD?
The driving distance from Porcupine, SD to Mitchell, SD is about 268.6 miles (432.2 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 218 miles (350.9 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 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 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.
Township in Jones County, South Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Porcupine and Mitchell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Porcupine and Mitchell.
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1
Start on Eagle Drive
9 m · 2 sec · Eagle Drive
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2
Turn right onto Main Street
38 m · 11 sec · Main Street
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3
Turn left onto Big Foot Trail
14.6 mi · 35 min · Big Foot Trail
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4
At the end of the road, turn left
48.1 mi · 57 min
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5
Turn left onto State Highway 73
44.6 mi · 52 min · State Highway 73
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6
Continue on SD Highway 73
1 mi · 2 min · SD Highway 73
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7
Take the ramp right toward I 90 East
2008 ft · 49 sec
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8
Merge slight left
179.5 mi · 2 hr 48 min
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9
Take the exit slight right
1927 ft · 53 sec
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10
Turn left onto South Ohlman Street
1.3 km · 1 min · South Ohlman Street
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11
Take the exit slight right
92 m · 8 sec
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12
Turn straight onto West Havens Avenue
1.3 km · 2 min · West Havens Avenue
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13
Turn left onto South Sanborn Boulevard
2659 ft · 1 min · South Sanborn Boulevard
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14
Turn left onto West 1st Avenue
10 m · 1 sec · West 1st Avenue
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15
Arrive at your destination
0 m · 1 sec · West 1st Avenue
Car Route Details
A richer read on the saved driving route between Porcupine and Mitchell.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 East
Merge slight left
179 mi · 02h 48m
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 leaving Porcupine and Rain Showers Likely near Mitchell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Porcupine to Mitchell?
The road trip is about 268.6 miles (432.2 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?
Okaton is a useful midpoint, sitting about 145.1 miles from Porcupine and 123.5 miles from Mitchell.
How much longer is the road route than the straight-line distance?
The direct path is about 218 miles (350.9 km), while the road route adds roughly 50.6 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 8:34 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.13 one way or $80.26 round trip. Estimated CO2 is about 84.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Porcupine and Mitchell, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers around Porcupine and Rain Showers Likely near Mitchell.
Flight Path Map
This map shows the direct air route between Porcupine and Mitchell. Straight-line distance: 218.06 mi (350.94 km).
#1 Porcupine
Situated on the Pine Ridge Indian Reservation in southwestern South Dakota, this census-designated place lies within Oglala Lakota County at an elevation of 3,192 feet.
| Population | 0 |
| Coordinates | 43.2397100, -102.3309900 |
| Altitude | 973 |
| Country | United States |
#2 Mitchell
City in and county seat of Davison County, South Dakota, United States
| Population | 15,697 |
| Coordinates | 43.7094300, -98.0298000 |
| Altitude | 400 |
| Country | United States |
End: West 1st Avenue (-98.0298, 43.709412)
Estimated Travel Time
Distance: 432 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 56m |
| 40 mph (64.37 km/h) | 06h 42m |
| 50 mph (80.47 km/h) | 05h 22m |
| 60 mph (96.56 km/h) | 04h 28m |
| 70 mph (112.65 km/h) | 03h 50m |
| 80 mph (129 km/h) | 03h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.23 | $40.13 | $80.26 |
| Mid-grade | $4.46 | $42.27 | $84.54 |
| Premium | $5.05 | $47.88 | $95.77 |
| Diesel | $6.01 | $56.96 | $113.91 |
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 · Oct 15, 2026