How far is Glenrock, WY from Green River, WY?

The driving distance from Glenrock, WY to Green River, WY is about 266.7 miles (429.2 km), with a travel time of about 04h 28m by car.

  • The straight-line flight distance is about 205.7 miles (331.1 km).
  • For a round trip, plan for roughly 08h 57m 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
266.69 mi
04h 28m
Flight
205.7 mi
331.05 km direct

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

Learn Distance

Choose another destination from Glenrock.

Flight Distance

Direct air line
205.7 mi
Kilometers
331.05 km
Flight Time
00h 24m

Driving Distance

Road route
266.69 mi
Kilometers
429.19 km
Drive Time
04h 28m

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 28m.

Arrival Snapshot
Arrive in Green River
Thu, Apr 23, 12:53 PM MDT
Return by in Glenrock
Thu, Apr 23, 5:22 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Glenrock
2026-04-23T08:24
Arrive Green River
Thu, Apr 23, 12:53 PM MDT
Route Timing
04h 28m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:29 AM to 12:29 PM MDT

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

Leave by
8:02 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Glenrock
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
Rawlins
WY

City in Carbon County, Wyoming, United States

From Glenrock
133.2 mi
02h 14m
To Green River
133.5 mi
02h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
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
Destination
51°F
Thursday

Slight Chance Snow Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
23 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Glenrock and Green River.

  1. 1

    Start on West Birch Street

    7 m · 2 sec · West Birch Street

  2. 2

    Turn right onto South 4th Street

    3019 ft · 51 sec · South 4th Street

  3. 3

    Continue on Deer Creek Road

    1.4 mi · 2 min · Deer Creek Road

  4. 4

    Take the ramp right

    23.3 mi · 25 min

  5. 5

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

    1846 ft · 45 sec

  6. 6

    Keep slight left

    107 m · 11 sec

  7. 7

    Turn left

    3 mi · 4 min

  8. 8

    Continue on Casper West Belt

    7.3 mi · 9 min · Casper West Belt

  9. 9

    Turn right onto County Road 308

    63.7 mi · 1 hr 12 min · County Road 308

  10. 10

    Continue straight

    44.1 mi · 51 min

  11. 11

    Turn right onto West Spruce Street

    1.5 mi · 2 min · West Spruce Street

  12. 12

    Take the ramp right

    1 km · 1 min

  13. 13

    Merge slight left onto Dwight D. Eisenhower Highway

    119.1 mi · 1 hr 56 min · Dwight D. Eisenhower Highway

  14. 14

    Take the exit slight right toward I 80 Business West, US 30 Business West: Green River

    1.9 mi · 4 min

  15. 15

    Turn right onto North 1st East

    11 m · 2 sec · North 1st East

  16. 16

    Arrive at your destination

    0 m · 1 sec · North 1st East

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
16 steps
5 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
6 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
119 mi · 45%
County Road 308
108 mi · 40%
Deer Creek Road
24.7 mi · 9%
Casper West Belt
7.28 mi · 3%
West Spruce Street
2.16 mi · 1%
I 80 Business West
1.87 mi · 1%
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

119 mi · 01h 56m

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 28m
Long day trip
Same-Day Return
08h 58m
Round-trip wheel time
Road vs Air
+61 mi
205.7 mi direct line
Halfway Stop
Rawlins
02h 14m from Glenrock
Leave By
8:02 AM MDT
Early departure recommended
Weather Watch

Rain Showers Likely then Rain And Snow Showers Likely leaving Glenrock and Slight Chance Snow Showers near Green River.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Glenrock to Green River?

The road trip is about 266.7 miles (429.2 km) and usually takes 04h 28m 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?

Rawlins is a useful midpoint, sitting about 133.2 miles from Glenrock and 133.5 miles from Green River.

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

The direct path is about 205.7 miles (331.1 km), while the road route adds roughly 61 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 8:02 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $36.63 one way or $73.27 round trip. Estimated CO2 is about 83.6 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely then Rain And Snow Showers Likely around Glenrock and Slight Chance Snow Showers near Green River.

Stop Ideas Near Rawlins

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 Rawlins and the surrounding midpoint area.
Tully Park
Scenic stop 9.6 mi away

Tully Park

Rawlins , WY
El Rancho Dr & W Elm St, Rawlins, WY 82301
Rating 4.3/5 70 reviews City park,Tourist attraction
Stop photo coming soon
Meeting point 9.4 mi away

City Of Rawlins Public Works Department

Rawlins , WY
915 3rd St, Rawlins, WY 82301
Rating 2.0/5 1 reviews City government office
City Hall
Nearby stop 9.8 mi away

City Hall

Rawlins , WY
521 W Cedar St, Rawlins, WY 82301
Corporate office
Key Club Park
Scenic stop 9.5 mi away

Key Club Park

Rawlins , WY
800 Colorado St, Rawlins, WY 82301
Rating 3.6/5 30 reviews Tourist attraction,Park

Transit and Meeting Points

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

Transit stop coverage is not ready for this midpoint yet.

Flight Path Map

This map shows the direct air route between Glenrock and Green River. Straight-line distance: 205.7 mi (331.05 km).

Glenrock

#1 Glenrock

Town in Converse County, Wyoming, United States

Population2,567
Coordinates42.8613600, -105.8722300
Altitude1530
CountryUnited States
Green River

#2 Green River

River in Wyoming, Utah, and Colorado, in the United States, that is a tributary of the Colorado River

Population11,788
Coordinates41.5285800, -109.4662500
Altitude1864
CountryUnited States
Start: West Birch Street (-105.87223, 42.861414)
End: North 1st East (-109.466324, 41.528621)

Estimated Travel Time

Distance: 429 km by road

SpeedTime
30 mph (48.3 km/h)08h 53m
40 mph (64.37 km/h)06h 40m
50 mph (80.47 km/h)05h 20m
60 mph (96.56 km/h)04h 26m
70 mph (112.65 km/h)03h 48m
80 mph (129 km/h)03h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.41 gal
35.62 L · about $36.63
Round trip
$73.27
18.82 gal · 71.24 L
Estimated CO2
83.6 kg one way
Round trip: 167.3 kg / 369 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $36.63 $73.27
Mid-grade $4.23 $39.81 $79.63
Premium $4.55 $42.81 $85.61
Diesel $5.41 $50.93 $101.85

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 Glenrock and Green River. The current time is 08:24:58.

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.