How far is Gregory, SD from Pierre, SD?
The driving distance from Gregory, SD to Pierre, SD is about 118.5 miles (190.7 km), with a travel time of about 02h 05m by car.
- The straight-line flight distance is about 90.9 miles (146.3 km).
- For a round trip, plan for roughly 04h 10m 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 05m.
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.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Gregory and Pierre.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gregory and Pierre.
-
1
Start on East 6th Street
1291 ft · 1 min · East 6th Street
-
2
At the end of the road, turn left onto Park Avenue
1982 ft · 44 sec · Park Avenue
-
3
Turn right onto US Highway 18
34.4 mi · 51 min · US Highway 18
-
4
Turn right onto 307th Avenue
35.8 mi · 51 min · 307th Avenue
-
5
Take the ramp left
1809 ft · 44 sec
-
6
Merge slight left
12.8 mi · 12 min
-
7
Take the exit slight right toward US 83 North, SD 53: Pierre State Capitol, Fort Pierre
1983 ft · 48 sec
-
8
Keep slight left
98 m · 9 sec
-
9
Turn right onto US Highway 83
30.7 mi · 35 min · US Highway 83
-
10
Continue on South 1st Street
1.6 km · 1 min · South 1st Street
-
11
Continue on North Deadwood Street
1.1 km · 47 sec · North Deadwood Street
-
12
Continue on North Highway 83
2590 ft · 33 sec · North Highway 83
-
13
Continue on West Sioux Avenue
1.5 km · 1 min · West Sioux Avenue
-
14
Turn left onto South Pierre Street
1115 ft · 25 sec · South Pierre Street
-
15
Arrive at your destination
0 m · 1 sec · South Euclid Avenue
Car Route Details
A richer read on the saved driving route between Gregory and Pierre.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
307th Avenue
Turn right onto 307th Avenue
35.8 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.
Mostly Sunny leaving Gregory and Partly Sunny near Pierre.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gregory to Pierre?
The road trip is about 118.5 miles (190.7 km) and usually takes 02h 05m 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 Gregory and 59.3 miles from Pierre.
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 27.6 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 2:20 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 Mostly Sunny around Gregory and Partly Sunny near Pierre.
Flight Path Map
This map shows the direct air route between Gregory and Pierre. Straight-line distance: 90.93 mi (146.34 km).
#1 Gregory
City in Gregory County, South Dakota, United States
| Population | 1,250 |
| Coordinates | 43.2322200, -99.4303800 |
| Altitude | 661 |
| Country | United States |
#2 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 |
End: US 14 (-100.350889, 44.368274)
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.