How far is Gillette, WY from Kemmerer, WY?

The driving distance from Gillette, WY to Kemmerer, WY is about 440 miles (708.1 km), with a travel time of about 08h 00m by car.

  • The straight-line flight distance is about 307.3 miles (494.5 km).
  • For a round trip, plan for roughly 16h 01m 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
439.96 mi
08h 00m
Flight
307.26 mi
494.48 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
307.26 mi
Kilometers
494.48 km
Flight Time
00h 37m

Driving Distance

Road route
439.96 mi
Kilometers
708.05 km
Drive Time
08h 00m

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 08h 00m.

Arrival Snapshot
Arrive in Kemmerer
Thu, Apr 16, 1:53 PM MDT
Return by in Gillette
Thu, Apr 16, 9:54 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gillette
2026-04-16T05:53
Arrive Kemmerer
Thu, Apr 16, 1:53 PM MDT
Route Timing
08h 00m
One way by road
Best Departure Window
6:00 AM to 7:30 AM MDT
Treat this as a longer travel day
Arrive between
2:01 PM to 3:31 PM MDT

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

Leave by
7:58 PM MDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Gillette
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
Bairoil
WY

Town of the United States

From Gillette
219.7 mi
04h 00m
To Kemmerer
220.2 mi
04h 00m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
58°F
Thursday

Partly Sunny then Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM MDT
Wind
18 to 22 mph W
Destination
46°F
Thursday

Snow Showers Likely

Starts
Thu, Apr 16 6:00 AM MDT
Wind
14 to 24 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East 4th Street

    2116 ft · 1 min · East 4th Street

  2. 2

    Turn right onto South Douglas Highway

    5 mi · 10 min · South Douglas Highway

  3. 3

    Continue on State Highway 59 South

    32.8 mi · 36 min · State Highway 59 South

  4. 4

    Turn right

    51.3 mi · 59 min

  5. 5

    Turn left

    18.1 mi · 21 min

  6. 6

    Take the exit left toward I 25 South: Casper

    2173 ft · 53 sec

  7. 7

    Merge slight left

    20.1 mi · 19 min

  8. 8

    Take the exit slight right toward US 20 West, US 26 West, WY 220 West: Shoshoni, Port of Entry

    1757 ft · 43 sec

  9. 9

    Keep slight left

    577 ft · 17 sec

  10. 10

    Turn right

    2.7 mi · 3 min

  11. 11

    Continue on Casper West Belt

    7.3 mi · 9 min · Casper West Belt

  12. 12

    Turn right onto County Road 308

    63.7 mi · 1 hr 12 min · County Road 308

  13. 13

    Continue straight

    44.1 mi · 51 min

  14. 14

    Turn right onto West Spruce Street

    1.5 mi · 2 min · West Spruce Street

  15. 15

    Take the ramp right

    1 km · 1 min

  16. 16

    Merge slight left onto Dwight D. Eisenhower Highway

    144.5 mi · 2 hr 21 min · Dwight D. Eisenhower Highway

  17. 17

    Take the exit slight right toward US 30 West: Kemmerer, Pocatello

    44.2 mi · 48 min

  18. 18

    Take the exit slight right toward US 30, US 189: Kemmerer, Diamondville

    1683 ft · 36 sec

  19. 19

    Keep slight right to continue on US 30, US 189: Kemmerer, Diamondville

    1.3 km · 2 min

  20. 20

    Continue on Highway 30/189

    1 mi · 2 min · Highway 30/189

  21. 21

    Continue on Central Avenue

    901 ft · 15 sec · Central Avenue

  22. 22

    Continue on Coral Street

    1198 ft · 34 sec · Coral Street

  23. 23

    Continue on Pine Street

    112 m · 16 sec · Pine Street

  24. 24

    Turn left onto Opal Street

    54 m · 10 sec · Opal Street

  25. 25

    Turn right

    62 m · 15 sec

  26. 26

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
26 steps
8 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
5.9 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
145 mi · 33%
County Road 308
108 mi · 25%
US 30 West
44.2 mi · 10%
State Highway 59 South
32.8 mi · 7%
I 25 South
20.6 mi · 5%
Casper West Belt
7.28 mi · 2%
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

145 mi · 02h 21m

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
08h 00m
Overnight route
Same-Day Return
16h 02m
Round-trip wheel time
Road vs Air
+132.7 mi
307.3 mi direct line
Halfway Stop
Bairoil
04h 00m from Gillette
Leave By
7:58 PM MDT
Overnight-style route
Weather Watch

Partly Sunny then Chance Rain Showers leaving Gillette and Snow Showers Likely near Kemmerer.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 440 miles (708.1 km) and usually takes 08h 00m 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?

Bairoil is a useful midpoint, sitting about 219.7 miles from Gillette and 220.2 miles from Kemmerer.

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

The direct path is about 307.3 miles (494.5 km), while the road route adds roughly 132.7 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 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 $60.46 one way or $120.92 round trip. Estimated CO2 is about 138 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Chance Rain Showers around Gillette and Snow Showers Likely near Kemmerer.

Flight Path Map

This map shows the direct air route between Gillette and Kemmerer. Straight-line distance: 307.26 mi (494.48 km).

Gillette

#1 Gillette

City in Campbell County, Wyoming, United States

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

#2 Kemmerer

City in Wyoming, USA, seat of Lincoln County

Population2,763
Coordinates41.7924500, -110.5376700
Altitude2118
CountryUnited States
Start: Gillette (-105.50222, 44.29109)
End: Kemmerer (-110.53767, 41.79245)

Estimated Travel Time

Distance: 708 km by road

SpeedTime
30 mph (48.3 km/h)14h 39m
40 mph (64.37 km/h)10h 59m
50 mph (80.47 km/h)08h 47m
60 mph (96.56 km/h)07h 19m
70 mph (112.65 km/h)06h 17m
80 mph (129 km/h)05h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.53 gal
58.77 L · about $60.46
Round trip
$120.92
31.06 gal · 117.54 L
Estimated CO2
138 kg one way
Round trip: 276 kg / 608 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $60.46 $120.92
Mid-grade $4.23 $65.71 $131.41
Premium $4.55 $70.65 $141.29
Diesel $5.41 $84.05 $168.10

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 · Apr 16, 2026

There is no time difference between Gillette and Kemmerer. The current time is 05:53:19.

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.