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

The driving distance from Rapid City, SD to Hill City, SD is about 27 miles (43.5 km), with a travel time of about 00h 37m by car.

  • The straight-line flight distance is about 19.9 miles (32.1 km).
  • For a round trip, plan for roughly 01h 14m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
27 mi
00h 37m
Flight
19.93 mi
32.07 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Rapid City.

Flight Distance

Direct air line
19.93 mi
Kilometers
32.07 km
Flight Time
00h 02m

Driving Distance

Road route
27 mi
Kilometers
43.46 km
Drive Time
00h 37m

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 00h 37m.

Arrival Snapshot
Arrive in Hill City
Sun, Apr 19, 4:02 AM MDT
Return by in Rapid City
Sun, Apr 19, 4:39 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rapid City
2026-04-19T03:25
Arrive Hill City
Sun, Apr 19, 4:02 AM MDT
Route Timing
00h 37m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:37 AM to 7:37 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:16 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Rapid City
10:00 PM MDT
Flexible departure

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
Keystone
SD

Town in Pennington County, South Dakota

From Rapid City
13.5 mi
00h 18m
To Hill City
13.5 mi
00h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
5 to 10 mph SE
Destination
58°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM MDT
Wind
6 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Mount Rushmore Road

    5.7 mi · 9 min · Mount Rushmore Road

  2. 2

    Continue on South Highway 16

    17.5 mi · 22 min · South Highway 16

  3. 3

    Continue on Highway 385

    3 mi · 5 min · Highway 385

  4. 4

    Continue on East Main Street

    1.1 km · 2 min · East Main Street

  5. 5

    Turn left onto Elm Street

    19 m · 4 sec · Elm Street

  6. 6

    Arrive at your destination

    0 m · 1 sec · Elm Street

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
6 steps
1 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
22.2 / 100 mi
Decision points by distance
Main Roads
South Highway 16
17.5 mi · 65%
Mount Rushmore Road
5.73 mi · 21%
Highway 385
3.03 mi · 11%
East Main Street
0.7 mi · 3%
Elm Street
0.01 mi
Longest Stretch

South Highway 16

Continue on South Highway 16

17.5 mi · 00h 22m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 37m
Quick drive
Same-Day Return
01h 14m
Round-trip wheel time
Road vs Air
+7.1 mi
19.9 mi direct line
Halfway Stop
Keystone
00h 18m from Rapid City
Leave By
7:16 PM MDT
Flexible departure
Weather Watch

Sunny leaving Rapid City and Sunny near Hill City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 27 miles (43.5 km) and usually takes 00h 37m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Keystone is a useful midpoint, sitting about 13.5 miles from Rapid City and 13.5 miles from Hill City.

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

The direct path is about 19.9 miles (32.1 km), while the road route adds roughly 7.1 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:16 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.58 one way or $7.16 round trip. Estimated CO2 is about 8.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Rapid City and Sunny near Hill City.

Stop Ideas Near Keystone

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Keystone and the surrounding midpoint area.
Willow Park
Scenic stop 12.3 mi away

Willow Park

Rapid City , SD
155 Monroe St, Rapid City, SD 57701
Rating 4.1/5 35 reviews Park,Playground
Stop photo coming soon
Meeting point 10.5 mi away

Hill City-City Hall

Hill City , SD
243 Deerfield Rd, Hill City, SD 57745
Rating 5.0/5 2 reviews City government office
Rapid City City Hall
Nearby stop 11.6 mi away

Rapid City City Hall

Rapid City , SD
300 6th St, Rapid City, SD 57701
City administration

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Keystone.

Transit stop coverage is not ready for this midpoint yet.

Flight Path Map

This map shows the direct air route between Rapid City and Hill City. Straight-line distance: 19.93 mi (32.07 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 Hill City

City in South Dakota, United States of America

Population1,032
Coordinates43.9324900, -103.5751900
Altitude1519
CountryUnited States
Start: Rapid City (-103.23101, 44.08054)
End: Hill City (-103.57519, 43.93249)

Estimated Travel Time

Distance: 43 km by road

SpeedTime
30 mph (48.3 km/h)00h 53m
40 mph (64.37 km/h)00h 40m
50 mph (80.47 km/h)00h 32m
60 mph (96.56 km/h)00h 27m
70 mph (112.65 km/h)00h 23m
80 mph (129 km/h)00h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.95 gal
3.61 L · about $3.58
Round trip
$7.16
1.9 gal · 7.22 L
Estimated CO2
8.4 kg one way
Round trip: 16.9 kg / 37 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $3.58 $7.16
Mid-grade $4.25 $4.04 $8.08
Premium $4.65 $4.42 $8.84
Diesel $5.30 $5.04 $10.08

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 19, 2026

There is no time difference between Rapid City and Hill City. The current time is 03:25:01.

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.