How far is Rapid City, SD from Garretson, SD?
The driving distance from Rapid City, SD to Garretson, SD is about 361.7 miles (582.1 km), with a travel time of about 05h 49m by car.
- The straight-line flight distance is about 335.8 miles (540.4 km).
- For a round trip, plan for roughly 11h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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 05h 49m.
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.
City in and county seat of Lyman County, South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Snow Showers
Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Rapid City and Garretson.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rapid City and Garretson.
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1
Start on Mount Rushmore Road
1223 ft · 48 sec · Mount Rushmore Road
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2
Turn left onto Omaha Street
1094 ft · 38 sec · Omaha Street
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3
Turn right
1.2 mi · 2 min
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4
Keep slight right to continue on I 90 East: Sioux Falls
1661 ft · 29 sec
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5
Continue straight
348.6 mi · 5 hr 31 min
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6
Take the exit slight right toward SD 11: Corson, Brandon
1100 ft · 27 sec
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7
Keep slight left
59 m · 5 sec
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8
Turn straight onto North Splitrock Boulevard
145 m · 11 sec · North Splitrock Boulevard
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9
Continue on 482nd Avenue
6.4 mi · 8 min · 482nd Avenue
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10
Continue on 254th Street
2.8 mi · 3 min · 254th Street
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11
Continue on 485th Avenue
2295 ft · 43 sec · 485th Avenue
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12
Continue on River Avenue
1 km · 1 min · River Avenue
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13
Turn right onto 5th Street
2349 ft · 1 min · 5th Street
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14
Turn right onto North Main Avenue
89 m · 8 sec · North Main Avenue
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15
Arrive at your destination
0 m · 1 sec · North Main Avenue
Car Route Details
A richer read on the saved driving route between Rapid City and Garretson.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 East
Continue straight
349 mi · 05h 31m
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 then Chance Snow Showers leaving Rapid City and Slight Chance Snow Showers near Garretson.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rapid City to Garretson?
The road trip is about 361.7 miles (582.1 km) and usually takes 05h 49m 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?
Kennebec is a useful midpoint, sitting about 180.4 miles from Rapid City and 181.3 miles from Garretson.
How much longer is the road route than the straight-line distance?
The direct path is about 335.8 miles (540.4 km), while the road route adds roughly 25.9 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 MDT. If you want a more comfortable same-day return, try to leave by 5:22 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $48.12 one way or $96.24 round trip. Estimated CO2 is about 113.4 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Rapid City and Garretson, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Snow Showers around Rapid City and Slight Chance Snow Showers near Garretson.
Flight Path Map
This map shows the direct air route between Rapid City and Garretson. Straight-line distance: 335.81 mi (540.44 km).
#1 Rapid City
The second most populous city in South Dakota.
| Population | 77,503 |
| Coordinates | 44.0805400, -103.2310100 |
| Altitude | 988 |
| Country | United States |
#2 Garretson
City in South Dakota, United States of America
| Population | 1,147 |
| Coordinates | 43.7174700, -96.5028200 |
| Altitude | 458 |
| Country | United States |
End: Garretson (-96.50282, 43.71747)
Estimated Travel Time
Distance: 582 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 03m |
| 40 mph (64.37 km/h) | 09h 02m |
| 50 mph (80.47 km/h) | 07h 14m |
| 60 mph (96.56 km/h) | 06h 01m |
| 70 mph (112.65 km/h) | 05h 10m |
| 80 mph (129 km/h) | 04h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $48.12 | $96.24 |
| Mid-grade | $4.25 | $54.27 | $108.54 |
| Premium | $4.65 | $59.39 | $118.77 |
| Diesel | $5.30 | $67.68 | $135.36 |
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.