How far is Pierre, SD from Gregory, SD?
The driving distance from Pierre, SD to Gregory, SD is about 118.4 miles (190.5 km), with a travel time of about 02h 36m by car.
- The straight-line flight distance is about 90.9 miles (146.3 km).
- For a round trip, plan for roughly 05h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 36m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Pierre and Gregory.
Turn-by-Turn Driving Directions
Step-by-step road directions between Pierre and Gregory.
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1
Start on South Euclid Avenue
551 ft · 15 sec · South Euclid Avenue
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2
Turn left onto South Pierre Street
564 ft · 14 sec · South Pierre Street
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3
Turn right onto West Sioux Avenue
1.5 km · 1 min · West Sioux Avenue
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4
Continue on North Highway 83
2600 ft · 36 sec · North Highway 83
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5
Continue on North Deadwood Street
1.1 km · 46 sec · North Deadwood Street
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6
Continue on North 1st Street
1.6 km · 1 min · North 1st Street
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7
Continue on South US Highway 83
30.9 mi · 35 min · South US Highway 83
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8
Take the exit left
1746 ft · 43 sec
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9
Merge slight left
12.9 mi · 12 min
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10
Take the exit slight right toward US 183: Winner
1702 ft · 43 sec
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11
Turn right
35.7 mi · 51 min
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12
At the end of the road, turn left onto 277th Street
34.4 mi · 51 min · 277th Street
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13
Turn left onto Park Avenue
1982 ft · 42 sec · Park Avenue
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14
Turn right onto West 6th Street
1291 ft · 57 sec · West 6th Street
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15
Arrive at your destination
0 m · 1 sec · East 6th Street
Car Route Details
A richer read on the saved driving route between Pierre and Gregory.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn right
35.7 mi · 00h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Pierre and Sunny near Gregory.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Pierre to Gregory?
The road trip is about 118.4 miles (190.5 km) and usually takes 02h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Presho is a useful midpoint, sitting about 59.2 miles from Pierre and 59.2 miles from Gregory.
How much longer is the road route than the straight-line distance?
The direct path is about 90.9 miles (146.3 km), while the road route adds roughly 27.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:16 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.76 one way or $31.53 round trip. Estimated CO2 is about 37.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Pierre and Sunny near Gregory.
Flight Path Map
This map shows the direct air route between Pierre and Gregory. Straight-line distance: 90.93 mi (146.34 km).
#1 Pierre
Capital city of South Dakota and county seat of Hughes County
| Population | 13,708 |
| Coordinates | 44.3683200, -100.3509700 |
| Altitude | 451 |
| Country | United States |
#2 Gregory
City in Gregory County, South Dakota, United States
| Population | 1,250 |
| Coordinates | 43.2322200, -99.4303800 |
| Altitude | 661 |
| Country | United States |
End: Gregory (-99.43038, 43.23222)
Estimated Travel Time
Distance: 191 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 56m |
| 40 mph (64.37 km/h) | 02h 57m |
| 50 mph (80.47 km/h) | 02h 22m |
| 60 mph (96.56 km/h) | 01h 58m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.76 | $31.53 |
| Mid-grade | $4.25 | $17.78 | $35.56 |
| Premium | $4.65 | $19.45 | $38.91 |
| Diesel | $5.30 | $22.17 | $44.34 |
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 · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.