How far is Harrisburg, SD from Rapid City, SD?

The driving distance from Harrisburg, SD to Rapid City, SD is about 358.8 miles (577.5 km), with a travel time of about 04h 59m by car.

  • The straight-line flight distance is about 329.1 miles (529.6 km).
  • For a round trip, plan for roughly 09h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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
358.85 mi
04h 59m
Flight
329.05 mi
529.55 km direct

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

Learn Distance

Choose another destination from Harrisburg.

Flight Distance

Direct air line
329.05 mi
Kilometers
529.55 km
Flight Time
00h 39m

Driving Distance

Road route
358.85 mi
Kilometers
577.52 km
Drive Time
04h 59m

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 04h 59m.

Arrival Snapshot
Arrive in Rapid City
Thu, Jun 11, 3:42 AM MDT
Return by in Harrisburg
Thu, Jun 11, 9:41 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Harrisburg
2026-06-10T23:43
Arrive Rapid City
Thu, Jun 11, 4:42 AM CDT
Route Timing
04h 59m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:59 AM to 11:59 AM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:02 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Harrisburg
9:00 PM CDT
Early departure recommended

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
Kennebec
SD

City in and county seat of Lyman County, South Dakota, United States

From Harrisburg
179.2 mi
02h 29m
To Rapid City
179.6 mi
02h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Today

Chance Rain Showers then Sunny

Starts
Wed, Jun 10 9:00 AM CDT
Wind
15 to 25 mph WSW
Destination
56°F
Overnight

Mostly Cloudy

Starts
Wed, Jun 10 12:00 AM MDT
Wind
9 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Harrisburg and Rapid City.

  1. 1

    Start on East Willow Street

    1.8 mi · 3 min · East Willow Street

  2. 2

    Continue on 273rd Street

    3.2 mi · 6 min · 273rd Street

  3. 3

    Take the ramp right

    1644 ft · 40 sec

  4. 4

    Merge slight left

    12.5 mi · 14 min

  5. 5

    Take the exit slight right toward I 90 West: Rapid City

    1236 ft · 30 sec

  6. 6

    Merge slight left

    339 mi · 5 hr 21 min

  7. 7

    Take the exit slight right toward I 190, US 16: Downtown, Black Hawk National Forest, Mount Rushmore

    2265 ft · 1 min

  8. 8

    Continue straight

    1.4 mi · 2 min

  9. 9

    Turn left onto Omaha Street

    1148 ft · 39 sec · Omaha Street

  10. 10

    Turn right onto Mount Rushmore Road

    1223 ft · 48 sec · Mount Rushmore Road

  11. 11

    Arrive at your destination

    0 m · 1 sec · Mount Rushmore Road

Car Route Details

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

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
11 steps
2 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
3.1 / 100 mi
Decision points by distance
Main Roads
I 90 West
339 mi · 95%
273rd Street
16 mi · 4%
I 190
1.84 mi · 1%
East Willow Street
1.78 mi
Mount Rushmore Road
0.23 mi
Omaha Street
0.22 mi
Longest Stretch

I 90 West

Merge slight left

339 mi · 05h 21m

Route Summary

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

Trip Read

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.

Drive Time
04h 59m
Long day trip
Same-Day Return
09h 58m
Round-trip wheel time
Road vs Air
+29.7 mi
329.1 mi direct line
Halfway Stop
Kennebec
02h 29m from Harrisburg
Leave By
7:02 AM CDT
Early departure recommended
Weather Watch

Chance Rain Showers then Sunny leaving Harrisburg and Mostly Cloudy near Rapid City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Harrisburg to Rapid City?

The road trip is about 358.8 miles (577.5 km) and usually takes 04h 59m 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 179.2 miles from Harrisburg and 179.6 miles from Rapid City.

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

The direct path is about 329.1 miles (529.6 km), while the road route adds roughly 29.7 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 7:02 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $47.74 one way or $95.48 round trip. Estimated CO2 is about 112.5 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Harrisburg 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 then Sunny around Harrisburg and Mostly Cloudy near Rapid City.

Flight Path Map

This map shows the direct air route between Harrisburg and Rapid City. Straight-line distance: 329.05 mi (529.55 km).

Harrisburg

#1 Harrisburg

City in South Dakota, United States of America

Population7,126
Coordinates43.4313700, -96.6972700
Altitude435
CountryUnited States
Rapid City

#2 Rapid City

The second most populous city in South Dakota.

Population77,503
Coordinates44.0805400, -103.2310100
Altitude988
CountryUnited States
Start: Willow Street (-96.697271, 43.431465)
End: Mount Rushmore Road (-103.231059, 44.080547)

Estimated Travel Time

Distance: 578 km by road

SpeedTime
30 mph (48.3 km/h)11h 57m
40 mph (64.37 km/h)08h 58m
50 mph (80.47 km/h)07h 10m
60 mph (96.56 km/h)05h 58m
70 mph (112.65 km/h)05h 07m
80 mph (129 km/h)04h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.66 gal
47.93 L · about $47.74
Round trip
$95.48
25.32 gal · 95.86 L
Estimated CO2
112.5 kg one way
Round trip: 225 kg / 496 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $47.74 $95.48
Mid-grade $4.25 $53.84 $107.69
Premium $4.65 $58.92 $117.84
Diesel $5.30 $67.15 $134.30

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 · Jun 11, 2026

Please keep in mind that there is a 1 hour time gap between Harrisburg, SD and Rapid City, SD. The current time in Harrisburg is 23:43:30, although it is 22:43:30 in Rapid City.

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.