How far is Gregory, SD from Box Elder, SD?
The driving distance from Gregory, SD to Box Elder, SD is about 232.5 miles (374.2 km), with a travel time of about 03h 34m by car.
- The straight-line flight distance is about 191.7 miles (308.5 km).
- For a round trip, plan for roughly 07h 08m 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 34m.
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 Jones County, South Dakota
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Gregory and Box Elder.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gregory and Box Elder.
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1
Start on East 6th Street
1291 ft · 1 min · East 6th Street
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2
At the end of the road, turn left onto Park Avenue
1982 ft · 44 sec · Park Avenue
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3
Turn right onto US Highway 18
34.4 mi · 51 min · US Highway 18
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4
Turn right onto 307th Avenue
35.8 mi · 51 min · 307th Avenue
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5
Take the ramp left
1809 ft · 44 sec
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6
Merge slight left
158.7 mi · 2 hr 29 min
-
7
Take the exit slight right toward Box Elder, Elisworth AirForce Base
1962 ft · 48 sec
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8
Keep slight left
28 m · 7 sec
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9
Turn left onto Liberty Boulevard
2562 ft · 52 sec · Liberty Boulevard
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10
Turn right onto Highway 1416
1.5 km · 2 min · Highway 1416
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11
Turn left onto Oak Street
671 ft · 32 sec · Oak Street
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12
Turn right onto Front Street
29 m · 4 sec · Front Street
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13
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Gregory and Box Elder.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
307th Avenue
Merge slight left
159 mi · 02h 29m
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.
Mostly Sunny leaving Gregory and Partly Sunny then Slight Chance Showers And Thunderstorms near Box Elder.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gregory to Box Elder?
The road trip is about 232.5 miles (374.2 km) and usually takes 03h 34m 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?
Okaton is a useful midpoint, sitting about 115.7 miles from Gregory and 116.8 miles from Box Elder.
How much longer is the road route than the straight-line distance?
The direct path is about 191.7 miles (308.5 km), while the road route adds roughly 40.8 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 9:52 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.96 one way or $61.92 round trip. Estimated CO2 is about 73 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Gregory and Box Elder, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gregory and Partly Sunny then Slight Chance Showers And Thunderstorms near Box Elder.
Flight Path Map
This map shows the direct air route between Gregory and Box Elder. Straight-line distance: 191.69 mi (308.49 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 Box Elder
City in Pennington County, South Dakota, United States
| Population | 7,165 |
| Coordinates | 44.1124900, -103.0682300 |
| Altitude | 925 |
| Country | United States |
End: Front Street (-103.068237, 44.112405)
Estimated Travel Time
Distance: 374 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 44m |
| 40 mph (64.37 km/h) | 05h 48m |
| 50 mph (80.47 km/h) | 04h 39m |
| 60 mph (96.56 km/h) | 03h 52m |
| 70 mph (112.65 km/h) | 03h 19m |
| 80 mph (129 km/h) | 02h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $30.96 | $61.92 |
| Mid-grade | $4.25 | $34.92 | $69.83 |
| Premium | $4.65 | $38.21 | $76.42 |
| Diesel | $5.30 | $43.55 | $87.09 |
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.