How far is Gillette, WY from Pierre, SD?

The driving distance from Gillette, WY to Pierre, SD is about 286.8 miles (461.6 km), with a travel time of about 05h 16m by car.

  • The straight-line flight distance is about 254.6 miles (409.8 km).
  • For a round trip, plan for roughly 10h 32m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
286.82 mi
05h 16m
Flight
254.61 mi
409.76 km direct

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

Learn Distance

Choose another destination from Gillette.

Flight Distance

Direct air line
254.61 mi
Kilometers
409.76 km
Flight Time
00h 30m

Driving Distance

Road route
286.82 mi
Kilometers
461.59 km
Drive Time
05h 16m

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 16m.

Arrival Snapshot
Arrive in Pierre
Wed, Sep 23, 2:42 PM CDT
Return by in Gillette
Wed, Sep 23, 6:58 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gillette
2026-09-23T08:26
Arrive Pierre
Wed, Sep 23, 1:42 PM MDT
Route Timing
05h 16m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
12:16 PM to 2:16 PM CDT

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

Leave by
6:28 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Gillette
9:00 PM MDT
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
Vale
SD

Census-designated place in Butte County, South Dakota

From Gillette
143 mi
02h 38m
To Pierre
143.8 mi
02h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Wednesday

Mostly Sunny

Starts
Wed, Sep 23 6:00 AM MDT
Wind
9 to 15 mph W
Destination
73°F
Wednesday

Slight Chance Rain Showers

Starts
Wed, Sep 23 6:00 AM CDT
Wind
20 to 25 mph SE

Driving Route Map

The map below follows the saved road route between Gillette and Pierre.

Turn-by-Turn Driving Directions

Step-by-step road directions between Gillette and Pierre.

  1. 1

    Start on East 4th Street

    1.5 km · 2 min · East 4th Street

  2. 2

    At the end of the road, turn left onto Stanley Avenue

    63 m · 12 sec · Stanley Avenue

  3. 3

    Turn right

    1.4 km · 2 min

  4. 4

    Take the ramp slight right

    100 m · 9 sec

  5. 5

    Continue straight

    109.3 mi · 1 hr 51 min

  6. 6

    Take the exit slight right

    1650 ft · 42 sec

  7. 7

    Turn left onto Lazelle Street

    2.4 mi · 3 min · Lazelle Street

  8. 8

    Continue on SD Highway 34

    133.5 mi · 2 hr 32 min · SD Highway 34

  9. 9

    Continue on US Highway 14/34

    36.6 mi · 42 min · US Highway 14/34

  10. 10

    Continue on West Highway 14/34

    1.2 mi · 1 min · West Highway 14/34

  11. 11

    Turn left onto North Highway 83

    2629 ft · 41 sec · North Highway 83

  12. 12

    Continue on West Sioux Avenue

    1.5 km · 1 min · West Sioux Avenue

  13. 13

    Turn left onto South Pierre Street

    1115 ft · 25 sec · South Pierre Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · South Euclid Avenue

Car Route Details

A richer read on the saved driving route between Gillette and Pierre.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
5 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
4.9 / 100 mi
Decision points by distance
Main Roads
SD Highway 34
134 mi · 47%
Stanley Avenue
110 mi · 38%
US Highway 14/34
36.6 mi · 13%
Lazelle Street
2.38 mi · 1%
West Highway 14/34
1.15 mi
East 4th Street
0.93 mi
Longest Stretch

SD Highway 34

Continue on SD Highway 34

134 mi · 02h 32m

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
05h 16m
Long day trip
Same-Day Return
10h 32m
Round-trip wheel time
Road vs Air
+32.2 mi
254.6 mi direct line
Halfway Stop
Vale
02h 38m from Gillette
Leave By
6:28 AM MDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Gillette and Slight Chance Rain Showers near Pierre.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Gillette to Pierre?

The road trip is about 286.8 miles (461.6 km) and usually takes 05h 16m 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?

Vale is a useful midpoint, sitting about 143 miles from Gillette and 143.8 miles from Pierre.

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

The direct path is about 254.6 miles (409.8 km), while the road route adds roughly 32.2 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 6:28 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $45.49 one way or $90.98 round trip. Estimated CO2 is about 89.9 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Gillette and Pierre, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Gillette and Slight Chance Rain Showers near Pierre.

Flight Path Map

This map shows the direct air route between Gillette and Pierre. Straight-line distance: 254.61 mi (409.76 km).

Gillette

#1 Gillette

City in Campbell County, Wyoming, United States

Population32,220
Coordinates44.2910900, -105.5022200
Altitude1388
CountryUnited States
Pierre

#2 Pierre

Capital city of South Dakota and county seat of Hughes County

Population13,708
Coordinates44.3683200, -100.3509700
Altitude451
CountryUnited States
Start: Gillette (-105.50222, 44.29109)
End: Pierre (-100.35097, 44.36832)

Estimated Travel Time

Distance: 462 km by road

SpeedTime
30 mph (48.3 km/h)09h 33m
40 mph (64.37 km/h)07h 10m
50 mph (80.47 km/h)05h 44m
60 mph (96.56 km/h)04h 46m
70 mph (112.65 km/h)04h 05m
80 mph (129 km/h)03h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.12 gal
38.31 L · about $45.49
Round trip
$90.98
20.24 gal · 76.62 L
Estimated CO2
89.9 kg one way
Round trip: 179.9 kg / 397 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.50 $45.49 $90.98
Mid-grade $4.77 $48.31 $96.63
Premium $5.08 $51.41 $102.82
Diesel $6.14 $62.15 $124.29

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 Wyoming · Sep 22, 2026

Please keep in mind that there is a 1 hour time gap between Gillette, WY and Pierre, SD. The current time in Gillette is 08:26:47, although it is 09:26:47 in Pierre.

Distance to Other Cities

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