How far is Yankton, SD from Porcupine, SD?
The driving distance from Yankton, SD to Porcupine, SD is about 325.3 miles (523.6 km), with a travel time of about 06h 52m by car.
- The straight-line flight distance is about 250.4 miles (402.9 km).
- For a round trip, plan for roughly 13h 45m 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 52m.
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.
Township in Tripp County, South Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Rain Showers
Driving Route Map
The map below follows the saved road route between Yankton and Porcupine.
Turn-by-Turn Driving Directions
Step-by-step road directions between Yankton and Porcupine.
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1
Start on West 4th Street
15 m · 5 sec · West 4th Street
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2
Turn right onto Broadway Avenue
9.9 mi · 11 min · Broadway Avenue
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3
Turn right onto Highway 12
4 mi · 5 min · Highway 12
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4
Continue on Harold Street
1.1 mi · 2 min · Harold Street
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5
Continue on Highway 12
27.2 mi · 31 min · Highway 12
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6
Continue on Walnut Street
1.4 km · 2 min · Walnut Street
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7
Continue on Highway 12
9.4 mi · 11 min · Highway 12
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8
Continue on East Main Street
2687 ft · 54 sec · East Main Street
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9
Continue on Highway 12
7 mi · 8 min · Highway 12
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10
Continue on Grant Street
2878 ft · 58 sec · Grant Street
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11
Continue on Highway 12
16.6 mi · 20 min · Highway 12
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12
At the end of the road, turn right onto Highway 281
2.7 mi · 3 min · Highway 281
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13
Continue on Hillcrest Boulevard
1361 ft · 23 sec · Hillcrest Boulevard
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14
Continue on South Thayer Street
1 km · 56 sec · South Thayer Street
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15
Turn left onto Highway 12
9.1 mi · 12 min · Highway 12
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16
Turn left onto Broadway Street
1.2 km · 1 min · Broadway Street
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17
Continue on Highway 12
23.4 mi · 29 min · Highway 12
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18
Continue straight
4 mi · 5 min
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19
Turn right
22.1 mi · 27 min
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20
At the end of the road, turn left
5 mi · 6 min
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21
Turn right onto West Turbine Avenue
48.2 mi · 1 hr 1 min · West Turbine Avenue
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22
Turn left onto North Main Street
1.1 km · 55 sec · North Main Street
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23
Turn right onto West C Street
90.9 mi · 1 hr 46 min · West C Street
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24
Turn right onto South Main Street
1 mi · 2 min · South Main Street
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25
Continue on State Highway 27
13.6 mi · 16 min · State Highway 27
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26
Continue on State Highway 391
3.3 mi · 6 min · State Highway 391
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27
Turn left
8 mi · 9 min
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28
Turn right onto Big Foot Trail
14.6 mi · 35 min · Big Foot Trail
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29
Turn right onto Main Street
38 m · 9 sec · Main Street
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30
Turn left onto Eagle Drive
9 m · 1 sec · Eagle Drive
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31
Arrive at your destination
0 m · 1 sec · Eagle Drive
Car Route Details
A richer read on the saved driving route between Yankton and Porcupine.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
West C Street
Turn right onto West C Street
90.9 mi · 01h 46m
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.
Showers And Thunderstorms leaving Yankton 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 Yankton to Porcupine?
The road trip is about 325.3 miles (523.6 km) and usually takes 06h 52m 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?
Millboro is a useful midpoint, sitting about 162.4 miles from Yankton and 163 miles from Porcupine.
How much longer is the road route than the straight-line distance?
The direct path is about 250.4 miles (402.9 km), while the road route adds roughly 74.9 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 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 $48.59 one way or $97.19 round trip. Estimated CO2 is about 102 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Yankton and Porcupine, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Yankton and Rain Showers near Porcupine.
Flight Path Map
This map shows the direct air route between Yankton and Porcupine. Straight-line distance: 250.34 mi (402.89 km).
#1 Yankton
County seat of Yankton County, South Dakota, United States
| Population | 14,651 |
| Coordinates | 42.8711100, -97.3972800 |
| Altitude | 368 |
| 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: 524 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 50m |
| 40 mph (64.37 km/h) | 08h 08m |
| 50 mph (80.47 km/h) | 06h 30m |
| 60 mph (96.56 km/h) | 05h 25m |
| 70 mph (112.65 km/h) | 04h 38m |
| 80 mph (129 km/h) | 04h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.23 | $48.59 | $97.19 |
| Mid-grade | $4.46 | $51.19 | $102.38 |
| Premium | $5.05 | $57.99 | $115.97 |
| Diesel | $6.01 | $68.97 | $137.94 |
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