How far is Gillette, WY from Glenrock, WY?

The driving distance from Gillette, WY to Glenrock, WY is about 140.1 miles (225.4 km), with a travel time of about 02h 40m by car.

  • The straight-line flight distance is about 100.5 miles (161.7 km).
  • For a round trip, plan for roughly 05h 20m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
140.06 mi
02h 40m
Flight
100.51 mi
161.75 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Gillette.

Flight Distance

Direct air line
100.51 mi
Kilometers
161.75 km
Flight Time
00h 12m

Driving Distance

Road route
140.06 mi
Kilometers
225.41 km
Drive Time
02h 40m

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 02h 40m.

Arrival Snapshot
Arrive in Glenrock
Thu, Apr 23, 1:44 PM MDT
Return by in Gillette
Thu, Apr 23, 4:24 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gillette
2026-04-23T11:03
Arrive Glenrock
Thu, Apr 23, 1:44 PM MDT
Route Timing
02h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:40 AM to 12:40 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:10 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Gillette
9:30 PM MDT
Morning start is best

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
Wright
WY

Town in Campbell County, Wyoming

From Gillette
70 mi
01h 20m
To Glenrock
70 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
45°F
Thursday

Rain And Snow Showers Likely

Starts
Thu, Apr 23 6:00 AM MDT
Wind
29 to 38 mph NW
Destination
54°F
Thursday

Rain Showers Likely then Rain And Snow Showers Likely

Starts
Thu, Apr 23 6:00 AM MDT
Wind
25 to 35 mph WNW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    108.8 mi · 2 hr · State Highway 59 South

  4. 4

    Turn right

    741 ft · 10 sec

  5. 5

    Keep slight right to continue on I 25 North, US 87 North, US 20 West, US 26 West

    2069 ft · 50 sec

  6. 6

    Merge slight left

    20.2 mi · 21 min

  7. 7

    Take the exit slight right toward I 25 BUS, US 87 BUS, US 20 West, US 26 West: East Glenrock

    5.1 mi · 8 min

  8. 8

    Arrive at your destination

    0 m · 1 sec · West Birch Street

Car Route Details

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

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
8 steps
2 turns on the saved route
Ramps & Exits
2
1 merges, 1 ramps or exits
Navigation Density
5.7 / 100 mi
Decision points by distance
Main Roads
State Highway 59 South
109 mi · 78%
I 25 North
20.6 mi · 15%
I 25 BUS
5.11 mi · 4%
South Douglas Highway
5.03 mi · 4%
East 4th Street
0.4 mi
Longest Stretch

State Highway 59 South

Continue on State Highway 59 South

109 mi · 02h 00m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 40m
Day trip friendly
Same-Day Return
05h 20m
Round-trip wheel time
Road vs Air
+39.6 mi
100.5 mi direct line
Halfway Stop
Wright
01h 20m from Gillette
Leave By
1:10 PM MDT
Morning start is best
Weather Watch

Rain And Snow Showers Likely leaving Gillette and Rain Showers Likely then Rain And Snow Showers Likely near Glenrock.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 140.1 miles (225.4 km) and usually takes 02h 40m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Wright is a useful midpoint, sitting about 70 miles from Gillette and 70 miles from Glenrock.

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

The direct path is about 100.5 miles (161.7 km), while the road route adds roughly 39.6 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:10 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.23 one way or $38.46 round trip. Estimated CO2 is about 43.9 kg one way.

What should you check before leaving?

Before you leave, expect Rain And Snow Showers Likely around Gillette and Rain Showers Likely then Rain And Snow Showers Likely near Glenrock.

Stop Ideas Near Wright

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

Mid-route Guidance
Local place coverage is thin around Wright, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

BUS

Douglas, Wyoming

112 mi away
628 East Richards St.

Flight Path Map

This map shows the direct air route between Gillette and Glenrock. Straight-line distance: 100.51 mi (161.75 km).

Gillette

#1 Gillette

City in Campbell County, Wyoming, United States

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

#2 Glenrock

Town in Converse County, Wyoming, United States

Population2,567
Coordinates42.8613600, -105.8722300
Altitude1530
CountryUnited States
Start: Gillette (-105.50222, 44.29109)
End: Glenrock (-105.87223, 42.86136)

Estimated Travel Time

Distance: 225 km by road

SpeedTime
30 mph (48.3 km/h)04h 40m
40 mph (64.37 km/h)03h 30m
50 mph (80.47 km/h)02h 48m
60 mph (96.56 km/h)02h 20m
70 mph (112.65 km/h)02h 00m
80 mph (129 km/h)01h 44m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.94 gal
18.71 L · about $19.23
Round trip
$38.46
9.88 gal · 37.42 L
Estimated CO2
43.9 kg one way
Round trip: 87.8 kg / 194 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $19.23 $38.46
Mid-grade $4.23 $20.90 $41.80
Premium $4.55 $22.47 $44.94
Diesel $5.41 $26.74 $53.47

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 23, 2026

There is no time difference between Gillette and Glenrock. The current time is 11:03:33.

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.