How far is Sioux Falls, SD from Gregory, SD?
The driving distance from Sioux Falls, SD to Gregory, SD is about 183.2 miles (294.9 km), with a travel time of about 03h 37m by car.
- The straight-line flight distance is about 138.8 miles (223.4 km).
- For a round trip, plan for roughly 07h 14m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 37m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Township in Aurora County, South Dakota
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 Sioux Falls and Gregory.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sioux Falls and Gregory.
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1
Start on North Chicago Avenue
540 ft · 29 sec · North Chicago Avenue
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2
At the end of the road, turn left onto East 8th Street
992 ft · 29 sec · East 8th Street
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3
Turn right onto North Lowell Avenue
633 ft · 19 sec · North Lowell Avenue
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4
Turn left onto East 10th Street
549 ft · 25 sec · East 10th Street
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5
Take the ramp slight left
4.2 mi · 5 min
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6
Take the exit straight toward I 90
1343 ft · 46 sec
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7
Merge slight left
111 mi · 1 hr 45 min
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8
Take the exit slight right toward SD 45 South: Platte
1846 ft · 50 sec
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9
Turn left onto SD Highway 45
23.9 mi · 36 min · SD Highway 45
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10
Continue on North Main Avenue
1.2 km · 1 min · North Main Avenue
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11
Turn right onto West 7th Street
2086 ft · 35 sec · West 7th Street
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12
Continue on SD Highway 44;West 7th Street
14.9 mi · 22 min · SD Highway 44;West 7th Street
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13
Continue on State Highway 44
16 mi · 24 min · State Highway 44
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14
Turn left
10.6 mi · 19 min
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15
Turn left onto West 6th Street
1291 ft · 57 sec · West 6th Street
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16
Arrive at your destination
0 m · 1 sec · East 6th Street
Car Route Details
A richer read on the saved driving route between Sioux Falls 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.
I 90
Merge slight left
111 mi · 01h 45m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Sioux Falls and Sunny near Gregory.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sioux Falls to Gregory?
The road trip is about 183.2 miles (294.9 km) and usually takes 03h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Plankinton is a useful midpoint, sitting about 91.5 miles from Sioux Falls and 91.8 miles from Gregory.
How much longer is the road route than the straight-line distance?
The direct path is about 138.8 miles (223.4 km), while the road route adds roughly 44.4 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.36 one way or $48.72 round trip. Estimated CO2 is about 57.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Sioux Falls and Sunny near Gregory.
Flight Path Map
This map shows the direct air route between Sioux Falls and Gregory. Straight-line distance: 138.81 mi (223.4 km).
#1 Sioux Falls
The largest city in South Dakota.
| Population | 157,584 |
| Coordinates | 43.5499700, -96.7003300 |
| Altitude | 448 |
| 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: 295 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 06m |
| 40 mph (64.37 km/h) | 04h 34m |
| 50 mph (80.47 km/h) | 03h 39m |
| 60 mph (96.56 km/h) | 03h 03m |
| 70 mph (112.65 km/h) | 02h 37m |
| 80 mph (129 km/h) | 02h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $24.36 | $48.72 |
| Mid-grade | $4.25 | $27.47 | $54.95 |
| Premium | $4.65 | $30.06 | $60.13 |
| Diesel | $5.30 | $34.26 | $68.53 |
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.