How far is Gregory, SD from Yankton, SD?
The driving distance from Gregory, SD to Yankton, SD is about 121.2 miles (195.1 km), with a travel time of about 02h 06m by car.
- The straight-line flight distance is about 105.6 miles (170 km).
- For a round trip, plan for roughly 04h 12m 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 06m.
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.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Gregory and Yankton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gregory and Yankton.
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1
Start on East 6th Street
34 m · 10 sec · East 6th Street
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2
Turn left onto Main Street
2206 ft · 2 min · Main Street
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3
Turn left
33.3 mi · 41 min
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4
Turn straight
1740 ft · 23 sec
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5
Keep slight left
21.1 mi · 25 min
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6
Continue on SD Highway 46
57.4 mi · 1 hr 14 min · SD Highway 46
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7
Turn right onto US Highway 81
10 mi · 11 min · US Highway 81
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8
Continue on Broadway Avenue
4.6 mi · 5 min · Broadway Avenue
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9
Turn right onto West 4th Street
15 m · 1 sec · West 4th Street
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10
Arrive at your destination
0 m · 1 sec · West 4th Street
Car Route Details
A richer read on the saved driving route between Gregory and Yankton.
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
Continue on 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.
Mostly Sunny leaving Gregory and Sunny near Yankton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gregory to Yankton?
The road trip is about 121.2 miles (195.1 km) and usually takes 02h 06m 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 Gregory and 57.8 miles from Yankton.
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 15.6 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 2:18 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.14 one way or $32.28 round trip. Estimated CO2 is about 38 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gregory and Sunny near Yankton.
Flight Path Map
This map shows the direct air route between Gregory and Yankton. Straight-line distance: 105.63 mi (170 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 Yankton
County seat of Yankton County, South Dakota, United States
| Population | 14,651 |
| Coordinates | 42.8711100, -97.3972800 |
| Altitude | 368 |
| Country | United States |
End: West 4th Street (-97.397278, 42.871173)
Estimated Travel Time
Distance: 195 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 02m |
| 40 mph (64.37 km/h) | 03h 01m |
| 50 mph (80.47 km/h) | 02h 25m |
| 60 mph (96.56 km/h) | 02h 01m |
| 70 mph (112.65 km/h) | 01h 43m |
| 80 mph (129 km/h) | 01h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.14 | $32.28 |
| Mid-grade | $4.25 | $18.20 | $36.41 |
| Premium | $4.65 | $19.92 | $39.84 |
| Diesel | $5.30 | $22.70 | $45.40 |
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.