How far is Madison, SD from Porcupine, SD?
The driving distance from Madison, SD to Porcupine, SD is about 360 miles (579.3 km), with a travel time of about 06h 42m by car.
- The straight-line flight distance is about 266.2 miles (428.4 km).
- For a round trip, plan for roughly 13h 24m 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 42m.
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 Likely
Rain Showers
Driving Route Map
The map below follows the saved road route between Madison and Porcupine.
Turn-by-Turn Driving Directions
Step-by-step road directions between Madison and Porcupine.
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1
Start on North Egan Avenue
117 m · 20 sec · North Egan Avenue
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2
Turn left onto Northwest 2nd Street
1.3 mi · 2 min · Northwest 2nd Street
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3
Continue on SD Highway 34
26.6 mi · 38 min · SD Highway 34
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4
Turn left onto SD Highway 25
23.6 mi · 27 min · SD Highway 25
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5
Take the ramp right
1803 ft · 44 sec
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6
Merge slight left
199.2 mi · 3 hr 7 min
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7
Take the exit slight right toward SD 73 North: Kadoka
1657 ft · 47 sec
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8
Turn left onto SD Highway 73
1.2 mi · 2 min · SD Highway 73
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9
Continue on State Highway 73
44.6 mi · 52 min · State Highway 73
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10
Turn right
48.1 mi · 57 min
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11
Turn right onto Big Foot Trail
14.6 mi · 35 min · Big Foot Trail
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12
Turn right onto Main Street
38 m · 9 sec · Main Street
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13
Turn left onto Eagle Drive
9 m · 1 sec · Eagle Drive
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14
Arrive at your destination
0 m · 1 sec · Eagle Drive
Car Route Details
A richer read on the saved driving route between Madison and Porcupine.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
SD Highway 25
Merge slight left
199 mi · 03h 07m
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 Likely leaving Madison 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 Madison to Porcupine?
The road trip is about 360 miles (579.3 km) and usually takes 06h 42m 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 179.6 miles from Madison and 180.3 miles from Porcupine.
How much longer is the road route than the straight-line distance?
The direct path is about 266.2 miles (428.4 km), while the road route adds roughly 93.8 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 $53.76 one way or $107.52 round trip. Estimated CO2 is about 112.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Madison 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 Likely around Madison and Rain Showers near Porcupine.
Flight Path Map
This map shows the direct air route between Madison and Porcupine. Straight-line distance: 266.21 mi (428.42 km).
#1 Madison
City in Lake County, South Dakota, United States
| Population | 7,064 |
| Coordinates | 44.0060800, -97.1139500 |
| Altitude | 511 |
| 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: 579 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 59m |
| 40 mph (64.37 km/h) | 08h 59m |
| 50 mph (80.47 km/h) | 07h 11m |
| 60 mph (96.56 km/h) | 05h 59m |
| 70 mph (112.65 km/h) | 05h 08m |
| 80 mph (129 km/h) | 04h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.23 | $53.76 | $107.52 |
| Mid-grade | $4.46 | $56.63 | $113.26 |
| Premium | $5.05 | $64.15 | $128.30 |
| Diesel | $6.01 | $76.30 | $152.60 |
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