How far is Rapid City, SD from Dakota Dunes, SD?

The driving distance from Rapid City, SD to Dakota Dunes, SD is about 425.6 miles (685 km), with a travel time of about 06h 51m by car.

  • The straight-line flight distance is about 356.5 miles (573.8 km).
  • For a round trip, plan for roughly 13h 42m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
425.61 mi
06h 51m
Flight
356.52 mi
573.76 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Rapid City.

Flight Distance

Direct air line
356.52 mi
Kilometers
573.76 km
Flight Time
00h 43m

Driving Distance

Road route
425.61 mi
Kilometers
684.96 km
Drive Time
06h 51m

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 51m.

Arrival Snapshot
Arrive in Dakota Dunes
Sat, Apr 18, 8:10 AM CDT
Return by in Rapid City
Sat, Apr 18, 2:01 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rapid City
2026-04-18T00:19
Arrive Dakota Dunes
Sat, Apr 18, 7:10 AM MDT
Route Timing
06h 51m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
1:51 PM to 3:21 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
10:18 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Rapid City
8:00 PM MDT
Overnight-style route

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.

Mid-route stop
Pukwana
SD

Township in Brule County, South Dakota

From Rapid City
212.4 mi
03h 25m
To Dakota Dunes
213.2 mi
03h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
49°F
Saturday

Mostly Sunny then Chance Snow Showers

Starts
Sat, Apr 18 6:00 AM MDT
Wind
12 to 18 mph NW
Destination
51°F
Saturday

Slight Chance Snow Showers

Starts
Sat, Apr 18 6:00 AM CDT
Wind
20 to 25 mph NW

Driving Route Map

The map below follows the saved road route between Rapid City and Dakota Dunes.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rapid City and Dakota Dunes.

  1. 1

    Start on Mount Rushmore Road

    1223 ft · 48 sec · Mount Rushmore Road

  2. 2

    Turn left onto Omaha Street

    1094 ft · 38 sec · Omaha Street

  3. 3

    Turn right

    1.2 mi · 2 min

  4. 4

    Keep slight right to continue on I 90 East: Sioux Falls

    1661 ft · 29 sec

  5. 5

    Continue straight

    338.5 mi · 5 hr 20 min

  6. 6

    Take the exit slight right

    2349 ft · 57 sec

  7. 7

    Merge slight left

    82.4 mi · 1 hr 20 min

  8. 8

    Take the exit slight right toward Dakota Dunes

    2108 ft · 54 sec

  9. 9

    Turn right onto Dakota Dunes Boulevard

    1 mi · 2 min · Dakota Dunes Boulevard

  10. 10

    Enter the roundabout and take exit 3 toward East Sawgrass Trail

    843 ft · 25 sec · East Sawgrass Trail

  11. 11

    Exit the roundabout onto East Sawgrass Trail

    2280 ft · 2 min · East Sawgrass Trail

  12. 12

    Turn right onto Pebble Beach Drive

    130 m · 20 sec · Pebble Beach Drive

  13. 13

    Turn right onto North Royal Troon

    749 ft · 39 sec · North Royal Troon

  14. 14

    Turn left onto Glen Eagle Court

    74 m · 12 sec · Glen Eagle Court

  15. 15

    Continue on Glen Eagle Court

    31 m · 4 sec · Glen Eagle Court

  16. 16

    Arrive at your destination

    0 m · 1 sec · Glen Eagle Court

Car Route Details

A richer read on the saved driving route between Rapid City and Dakota Dunes.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
16 steps
8 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
3.8 / 100 mi
Decision points by distance
Main Roads
I 90 East
422 mi · 99%
Dakota Dunes Boulevard
1.01 mi
East Sawgrass Trail
0.59 mi
Mount Rushmore Road
0.23 mi
Omaha Street
0.21 mi
North Royal Troon
0.14 mi
Longest Stretch

I 90 East

Continue straight

338 mi · 05h 20m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
06h 51m
Overnight route
Same-Day Return
13h 42m
Round-trip wheel time
Road vs Air
+69.1 mi
356.5 mi direct line
Halfway Stop
Pukwana
03h 25m from Rapid City
Leave By
10:18 PM MDT
Overnight-style route
Weather Watch

Mostly Sunny then Chance Snow Showers leaving Rapid City and Slight Chance Snow Showers near Dakota Dunes.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rapid City to Dakota Dunes?

The road trip is about 425.6 miles (685 km) and usually takes 06h 51m 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?

Pukwana is a useful midpoint, sitting about 212.4 miles from Rapid City and 213.2 miles from Dakota Dunes.

How much longer is the road route than the straight-line distance?

The direct path is about 356.5 miles (573.8 km), while the road route adds roughly 69.1 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 MDT. 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 $56.64 one way or $113.28 round trip. Estimated CO2 is about 133.5 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 Dakota Dunes, 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 Dakota Dunes.

Flight Path Map

This map shows the direct air route between Rapid City and Dakota Dunes. Straight-line distance: 356.52 mi (573.76 km).

Rapid City

#1 Rapid City

The second most populous city in South Dakota.

Population77,503
Coordinates44.0805400, -103.2310100
Altitude988
CountryUnited States
Photo coming soon

#2 Dakota Dunes

Township in Union County, South Dakota

Population2,540
Coordinates42.4874900, -96.4864200
Altitude334
CountryUnited States
Start: Rapid City (-103.23101, 44.08054)
End: Dakota Dunes (-96.48642, 42.48749)

Estimated Travel Time

Distance: 685 km by road

SpeedTime
30 mph (48.3 km/h)14h 10m
40 mph (64.37 km/h)10h 38m
50 mph (80.47 km/h)08h 30m
60 mph (96.56 km/h)07h 05m
70 mph (112.65 km/h)06h 04m
80 mph (129 km/h)05h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.02 gal
56.85 L · about $56.64
Round trip
$113.28
30.04 gal · 113.7 L
Estimated CO2
133.5 kg one way
Round trip: 267 kg / 589 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $56.64 $113.28
Mid-grade $4.25 $63.88 $127.76
Premium $4.65 $69.90 $139.81
Diesel $5.30 $79.67 $159.33

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

Please keep in mind that there is a 1 hour time gap between Rapid City, SD and Dakota Dunes, SD. The current time in Rapid City is 00:19:08, although it is 01:19:08 in Dakota Dunes.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.