How far is Yankton, SD from Gregory, SD?
The driving distance from Yankton, SD to Gregory, SD is about 127.3 miles (204.8 km), with a travel time of about 02h 39m by car.
- The straight-line flight distance is about 105.6 miles (170 km).
- For a round trip, plan for roughly 05h 18m 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 39m.
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.
City in Charles Mix County, South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Snow Showers
Slight Chance Snow Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Yankton and Gregory.
Turn-by-Turn Driving Directions
Step-by-step road directions between Yankton and Gregory.
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1
Start on West 4th Street
15 m · 3 sec · West 4th Street
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2
Turn left onto Broadway Avenue
4.6 mi · 6 min · Broadway Avenue
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3
Continue on US Highway 81
10 mi · 11 min · US Highway 81
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4
Turn left onto SD Highway 46
57.4 mi · 1 hr 14 min · SD Highway 46
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5
Continue on East US Highway 18
21 mi · 25 min · East US Highway 18
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6
Keep slight right
33.7 mi · 42 min
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7
Turn right onto South Main Street
2206 ft · 2 min · South Main Street
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8
Turn right onto East 6th Street
34 m · 5 sec · East 6th Street
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9
Arrive at your destination
0 m · 1 sec · East 6th Street
Car Route Details
A richer read on the saved driving route between Yankton and Gregory.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
SD Highway 46
Turn left onto SD Highway 46
57.4 mi · 01h 14m
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.
Chance Snow Showers leaving Yankton and Slight Chance Snow Showers then Mostly Sunny near Gregory.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Yankton to Gregory?
The road trip is about 127.3 miles (204.8 km) and usually takes 02h 39m 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?
Wagner is a useful midpoint, sitting about 63.5 miles from Yankton and 63.8 miles from Gregory.
How much longer is the road route than the straight-line distance?
The direct path is about 105.6 miles (170 km), while the road route adds roughly 21.7 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 1:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.93 one way or $33.86 round trip. Estimated CO2 is about 39.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Snow Showers around Yankton and Slight Chance Snow Showers then Mostly Sunny near Gregory.
Flight Path Map
This map shows the direct air route between Yankton and Gregory. Straight-line distance: 105.63 mi (170 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 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: 205 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 14m |
| 40 mph (64.37 km/h) | 03h 10m |
| 50 mph (80.47 km/h) | 02h 32m |
| 60 mph (96.56 km/h) | 02h 07m |
| 70 mph (112.65 km/h) | 01h 49m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.93 | $33.86 |
| Mid-grade | $4.25 | $19.10 | $38.19 |
| Premium | $4.65 | $20.90 | $41.79 |
| Diesel | $5.30 | $23.81 | $47.63 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.