How far is Webster, SD from Rapid City, SD?
The driving distance from Webster, SD to Rapid City, SD is about 370.3 miles (595.9 km), with a travel time of about 06h 08m by car.
- The straight-line flight distance is about 293.4 miles (472.2 km).
- For a round trip, plan for roughly 12h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 08m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Brule County, South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Webster and Rapid City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Webster and Rapid City.
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1
Start on East 7th Avenue
4 m · 6 sec · East 7th Avenue
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2
Turn left onto Main Street
2840 ft · 37 sec · Main Street
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3
Continue on SD Highway 25
31.2 mi · 36 min · SD Highway 25
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4
At the end of the road, turn right onto US Highway 212
1.4 km · 1 min · US Highway 212
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5
Turn left onto SD Highway 25
60 mi · 1 hr 11 min · SD Highway 25
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6
Turn right onto SD Highway 34
6 mi · 7 min · SD Highway 34
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7
Turn left onto SD Highway 25
23.6 mi · 27 min · SD Highway 25
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8
Take the ramp right
1803 ft · 44 sec
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9
Merge slight left
292.2 mi · 4 hr 36 min
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10
Take the exit slight right toward I 190, US 16: Downtown, Black Hawk National Forest, Mount Rushmore
2265 ft · 1 min
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11
Continue straight
1.4 mi · 2 min
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12
Turn left onto Omaha Street
1148 ft · 39 sec · Omaha Street
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13
Turn right onto Mount Rushmore Road
1223 ft · 48 sec · Mount Rushmore Road
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14
Arrive at your destination
0 m · 1 sec · Mount Rushmore Road
Car Route Details
A richer read on the saved driving route between Webster and Rapid City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
SD Highway 25
Merge slight left
292 mi · 04h 36m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Rain Showers leaving Webster and Partly Sunny then Slight Chance Showers And Thunderstorms near Rapid City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Webster to Rapid City?
The road trip is about 370.3 miles (595.9 km) and usually takes 06h 08m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Chamberlain is a useful midpoint, sitting about 208.3 miles from Webster and 162 miles from Rapid City.
How much longer is the road route than the straight-line distance?
The direct path is about 293.4 miles (472.2 km), while the road route adds roughly 76.9 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $49.29 one way or $98.57 round trip. Estimated CO2 is about 116.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Webster and Rapid City, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Webster and Partly Sunny then Slight Chance Showers And Thunderstorms near Rapid City.
Flight Path Map
This map shows the direct air route between Webster and Rapid City. Straight-line distance: 293.4 mi (472.18 km).
#1 Webster
City in and county seat of Day County, South Dakota, United States
| Population | 1,694 |
| Coordinates | 45.3321800, -97.5200900 |
| Altitude | 566 |
| Country | United States |
#2 Rapid City
The second most populous city in South Dakota.
| Population | 77,503 |
| Coordinates | 44.0805400, -103.2310100 |
| Altitude | 988 |
| Country | United States |
End: Mount Rushmore Road (-103.231059, 44.080547)
Estimated Travel Time
Distance: 596 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 20m |
| 40 mph (64.37 km/h) | 09h 15m |
| 50 mph (80.47 km/h) | 07h 24m |
| 60 mph (96.56 km/h) | 06h 10m |
| 70 mph (112.65 km/h) | 05h 17m |
| 80 mph (129 km/h) | 04h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $49.29 | $98.57 |
| Mid-grade | $4.25 | $55.59 | $111.17 |
| Premium | $4.65 | $60.83 | $121.66 |
| Diesel | $5.30 | $69.32 | $138.65 |
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.