How far is Glenrock, WY from Rock Springs, WY?

The driving distance from Glenrock, WY to Rock Springs, WY is about 251.3 miles (404.5 km), with a travel time of about 04h 16m by car.

  • The straight-line flight distance is about 191.8 miles (308.6 km).
  • For a round trip, plan for roughly 08h 33m 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
251.36 mi
04h 16m
Flight
191.78 mi
308.64 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
191.78 mi
Kilometers
308.64 km
Flight Time
00h 23m

Driving Distance

Road route
251.36 mi
Kilometers
404.52 km
Drive Time
04h 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 04h 16m.

Arrival Snapshot
Arrive in Rock Springs
Tue, May 12, 9:39 PM MDT
Return by in Glenrock
Wed, May 13, 1:56 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Glenrock
2026-05-12T17:22
Arrive Rock Springs
Tue, May 12, 9:39 PM MDT
Route Timing
04h 16m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:17 AM to 12:17 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
8:26 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
125.6 mi
02h 08m
To Rock Springs
125.8 mi
02h 08m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM MDT
Wind
0 to 10 mph NE
Destination
84°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM MDT
Wind
3 to 15 mph WSW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Glenrock and Rock Springs.

  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

    103.6 mi · 1 hr 40 min · Dwight D. Eisenhower Highway

  14. 14

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

    2755 ft · 48 sec

  15. 15

    Turn left onto 9th Street

    2579 ft · 51 sec · 9th Street

  16. 16

    Turn left onto South Side Belt Route

    2032 ft · 41 sec · South Side Belt Route

  17. 17

    Turn slight right

    70 m · 10 sec

  18. 18

    Turn straight onto James Drive

    813 ft · 25 sec · James Drive

  19. 19

    Turn left onto Virginia Street

    905 ft · 47 sec · Virginia Street

  20. 20

    Turn left onto Edgar Street

    789 ft · 22 sec · Edgar Street

  21. 21

    At the end of the road, turn right onto Agate Street

    129 m · 24 sec · Agate Street

  22. 22

    Turn left onto Collins Street

    26 m · 4 sec · Collins Street

  23. 23

    Arrive at your destination

    0 m · 1 sec · Collins Street

Car Route Details

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

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
23 steps
12 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
9.1 / 100 mi
Decision points by distance
Main Roads
County Road 308
108 mi · 43%
Dwight D. Eisenhower Highway
104 mi · 41%
Deer Creek Road
24.7 mi · 10%
Casper West Belt
7.28 mi · 3%
West Spruce Street
2.16 mi · 1%
South 4th Street
0.57 mi
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

104 mi · 01h 40m

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 16m
Long day trip
Same-Day Return
08h 34m
Round-trip wheel time
Road vs Air
+59.5 mi
191.8 mi direct line
Halfway Stop
Rawlins
02h 08m from Glenrock
Leave By
8:26 AM MDT
Early departure recommended
Weather Watch

Sunny leaving Glenrock and Sunny near Rock Springs.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Glenrock to Rock Springs?

The road trip is about 251.3 miles (404.5 km) and usually takes 04h 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?

Rawlins is a useful midpoint, sitting about 125.6 miles from Glenrock and 125.8 miles from Rock Springs.

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

The direct path is about 191.8 miles (308.6 km), while the road route adds roughly 59.5 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 8:26 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $34.53 one way or $69.06 round trip. Estimated CO2 is about 78.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Glenrock and Sunny near Rock Springs.

Flight Path Map

This map shows the direct air route between Glenrock and Rock Springs. Straight-line distance: 191.78 mi (308.64 km).

Glenrock

#1 Glenrock

Town in Converse County, Wyoming, United States

Population2,567
Coordinates42.8613600, -105.8722300
Altitude1530
CountryUnited States
Rock Springs

#2 Rock Springs

City in Sweetwater County, Wyoming, United States

Population22,943
Coordinates41.5874600, -109.2029000
Altitude1947
CountryUnited States
Start: West Birch Street (-105.87223, 42.861414)
End: Collins Street (-109.202964, 41.587676)

Estimated Travel Time

Distance: 405 km by road

SpeedTime
30 mph (48.3 km/h)08h 22m
40 mph (64.37 km/h)06h 17m
50 mph (80.47 km/h)05h 01m
60 mph (96.56 km/h)04h 11m
70 mph (112.65 km/h)03h 35m
80 mph (129 km/h)03h 08m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.87 gal
33.58 L · about $34.53
Round trip
$69.06
17.74 gal · 67.16 L
Estimated CO2
78.8 kg one way
Round trip: 157.7 kg / 348 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $34.53 $69.06
Mid-grade $4.23 $37.53 $75.06
Premium $4.55 $40.35 $80.70
Diesel $5.41 $48.00 $96.01

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 · May 12, 2026

There is no time difference between Glenrock and Rock Springs. The current time is 17:22:37.

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.