How far is Sioux Falls, SD from Porcupine, SD?
The driving distance from Sioux Falls, SD to Porcupine, SD is about 363.9 miles (585.6 km), with a travel time of about 06h 31m by car.
- The straight-line flight distance is about 283.5 miles (456.2 km).
- For a round trip, plan for roughly 13h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 31m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Human settlement in Lyman County, South Dakota, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Rain Showers
Driving Route Map
The map below follows the saved road route between Sioux Falls and Porcupine.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux Falls and Porcupine.
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1
Start on North Chicago Avenue
540 ft · 29 sec · North Chicago Avenue
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2
At the end of the road, turn left onto East 8th Street
992 ft · 29 sec · East 8th Street
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3
Turn right onto North Lowell Avenue
633 ft · 19 sec · North Lowell Avenue
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4
Turn left onto East 10th Street
549 ft · 25 sec · East 10th Street
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5
Take the ramp slight left
4.2 mi · 5 min
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6
Take the exit straight toward I 90
1343 ft · 46 sec
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7
Merge slight left
250 mi · 3 hr 56 min
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8
Take the exit slight right toward SD 73 North: Kadoka
1657 ft · 47 sec
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9
Turn left onto SD Highway 73
1.2 mi · 2 min · SD Highway 73
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10
Continue on State Highway 73
44.6 mi · 52 min · State Highway 73
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11
Turn right
48.1 mi · 57 min
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12
Turn right onto Big Foot Trail
14.6 mi · 35 min · Big Foot Trail
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13
Turn right onto Main Street
38 m · 9 sec · Main Street
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14
Turn left onto Eagle Drive
9 m · 1 sec · Eagle Drive
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15
Arrive at your destination
0 m · 1 sec · Eagle Drive
Car Route Details
A richer read on the saved driving route between Sioux Falls and Porcupine.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90
Merge slight left
250 mi · 03h 56m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Rain Showers leaving Sioux Falls and Rain Showers near Porcupine.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sioux Falls to Porcupine?
The road trip is about 363.9 miles (585.6 km) and usually takes 06h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Presho is a useful midpoint, sitting about 181.6 miles from Sioux Falls and 182.3 miles from Porcupine.
How much longer is the road route than the straight-line distance?
The direct path is about 283.5 miles (456.2 km), while the road route adds roughly 80.4 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $54.35 one way or $108.70 round trip. Estimated CO2 is about 114.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Sioux Falls and Porcupine, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Rain Showers around Sioux Falls and Rain Showers near Porcupine.
Flight Path Map
This map shows the direct air route between Sioux Falls and Porcupine. Straight-line distance: 283.45 mi (456.17 km).
#1 Sioux Falls
The largest city in South Dakota.
| Population | 157,584 |
| Coordinates | 43.5499700, -96.7003300 |
| Altitude | 448 |
| Country | United States |
#2 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 |
End: Porcupine (-102.33099, 43.23971)
Estimated Travel Time
Distance: 586 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 07m |
| 40 mph (64.37 km/h) | 09h 05m |
| 50 mph (80.47 km/h) | 07h 16m |
| 60 mph (96.56 km/h) | 06h 03m |
| 70 mph (112.65 km/h) | 05h 11m |
| 80 mph (129 km/h) | 04h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.23 | $54.35 | $108.70 |
| Mid-grade | $4.46 | $57.25 | $114.51 |
| Premium | $5.05 | $64.85 | $129.71 |
| Diesel | $6.01 | $77.14 | $154.29 |
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