How far is Porcupine, SD from Sioux Falls, SD?
The driving distance from Porcupine, SD to Sioux Falls, SD is about 340.9 miles (548.6 km), with a travel time of about 05h 12m by car.
- The straight-line flight distance is about 283.5 miles (456.2 km).
- For a round trip, plan for roughly 10h 25m 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 12m.
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.
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 Porcupine and Sioux Falls.
Turn-by-Turn Driving Directions
Step-by-step road directions between Porcupine and Sioux Falls.
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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
249.6 mi · 3 hr 55 min
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9
Take the exit slight right toward I 229 South
2551 ft · 33 sec
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10
Merge slight left
3.6 mi · 4 min
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11
Take the exit slight right toward 10th Street, Downtown
1309 ft · 32 sec
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12
Keep slight right to continue on SD 42: Downtown, Washington Pavilion
610 ft · 21 sec
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13
Turn right onto South Lowell Avenue
633 ft · 23 sec · South Lowell Avenue
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14
Turn left onto East 8th Street
992 ft · 29 sec · East 8th Street
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15
Turn right onto North Chicago Avenue
540 ft · 24 sec · North Chicago Avenue
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16
Arrive at your destination
0 m · 1 sec · North Chicago Avenue
Car Route Details
A richer read on the saved driving route between Porcupine and Sioux Falls.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 East
Merge slight left
250 mi · 03h 55m
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 near Sioux Falls.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Porcupine to Sioux Falls?
The road trip is about 340.9 miles (548.6 km) and usually takes 05h 12m 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?
Presho is a useful midpoint, sitting about 181.2 miles from Porcupine and 159.7 miles from Sioux Falls.
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 57.4 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 6:34 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $50.92 one way or $101.85 round trip. Estimated CO2 is about 106.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Porcupine and Sioux Falls, 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 near Sioux Falls.
Flight Path Map
This map shows the direct air route between Porcupine and Sioux Falls. Straight-line distance: 283.45 mi (456.17 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 Sioux Falls
The largest city in South Dakota.
| Population | 157,584 |
| Coordinates | 43.5499700, -96.7003300 |
| Altitude | 448 |
| Country | United States |
End: North Chicago Avenue (-96.700171, 43.549971)
Estimated Travel Time
Distance: 549 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 21m |
| 40 mph (64.37 km/h) | 08h 31m |
| 50 mph (80.47 km/h) | 06h 49m |
| 60 mph (96.56 km/h) | 05h 40m |
| 70 mph (112.65 km/h) | 04h 52m |
| 80 mph (129 km/h) | 04h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.23 | $50.92 | $101.85 |
| Mid-grade | $4.46 | $53.64 | $107.28 |
| Premium | $5.05 | $60.76 | $121.53 |
| Diesel | $6.01 | $72.28 | $144.55 |
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