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

The driving distance from Rock Springs, WY to Glenrock, WY is about 251.5 miles (404.7 km), with a travel time of about 04h 32m by car.

  • The straight-line flight distance is about 191.8 miles (308.6 km).
  • For a round trip, plan for roughly 09h 05m 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
251.45 mi
04h 32m
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 Rock Springs.

Flight Distance

Direct air line
191.78 mi
Kilometers
308.64 km
Flight Time
00h 23m

Driving Distance

Road route
251.45 mi
Kilometers
404.67 km
Drive Time
04h 32m

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 32m.

Arrival Snapshot
Arrive in Glenrock
Thu, Apr 16, 10:37 AM MDT
Return by in Rock Springs
Thu, Apr 16, 3:09 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rock Springs
2026-04-16T06:04
Arrive Glenrock
Thu, Apr 16, 10:37 AM MDT
Route Timing
04h 32m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:33 AM to 12:33 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
7:54 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Rock Springs
9:00 PM MDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

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 Rock Springs
125.5 mi
02h 16m
To Glenrock
126 mi
02h 16m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Thursday

Slight Chance T-storms

Starts
Thu, Apr 16 6:00 AM MDT
Wind
10 to 24 mph SW
Destination
67°F
Thursday

Mostly Sunny then Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM MDT
Wind
15 to 30 mph WSW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Collins Street

    26 m · 7 sec · Collins Street

  2. 2

    Turn right onto Agate Street

    129 m · 19 sec · Agate Street

  3. 3

    At the end of the road, turn left onto Edgar Street

    789 ft · 26 sec · Edgar Street

  4. 4

    Turn right onto Virginia Street

    905 ft · 40 sec · Virginia Street

  5. 5

    At the end of the road, turn right onto James Drive

    977 ft · 33 sec · James Drive

  6. 6

    At the end of the road, turn left onto South Side Belt Route

    2190 ft · 48 sec · South Side Belt Route

  7. 7

    Turn right onto 9th Street

    2182 ft · 38 sec · 9th Street

  8. 8

    Take the ramp right

    1916 ft · 30 sec

  9. 9

    Merge slight left onto Dwight D. Eisenhower Highway

    103.9 mi · 1 hr 41 min · Dwight D. Eisenhower Highway

  10. 10

    Take the exit slight right toward I 80 Business East, WY 789 North: Rawlins

    1997 ft · 52 sec

  11. 11

    Turn left onto West Spruce Street

    1.7 mi · 3 min · West Spruce Street

  12. 12

    Turn left onto 3rd Street

    44.1 mi · 51 min · 3rd Street

  13. 13

    Continue straight

    63.7 mi · 1 hr 13 min

  14. 14

    Turn left onto Casper West Belt

    7.3 mi · 9 min · Casper West Belt

  15. 15

    Continue straight

    2.7 mi · 3 min

  16. 16

    Take the exit right

    23.3 mi · 25 min

  17. 17

    Take the exit slight right toward I 25 Business: Glenrock, Rolling Hills

    1896 ft · 47 sec

  18. 18

    Turn left onto Deer Creek Road

    1.6 mi · 2 min · Deer Creek Road

  19. 19

    Continue on South 4th Street

    3019 ft · 56 sec · South 4th Street

  20. 20

    Turn left onto West Birch Street

    7 m · 1 sec · West Birch Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · West Birch Street

Car Route Details

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

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
21 steps
11 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
8.3 / 100 mi
Decision points by distance
Main Roads
3rd Street
108 mi · 43%
Dwight D. Eisenhower Highway
104 mi · 41%
Casper West Belt
33.3 mi · 13%
West Spruce Street
1.73 mi · 1%
Deer Creek Road
1.64 mi · 1%
9th Street
0.78 mi
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

104 mi · 01h 41m

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 32m
Long day trip
Same-Day Return
09h 06m
Round-trip wheel time
Road vs Air
+59.7 mi
191.8 mi direct line
Halfway Stop
Rawlins
02h 16m from Rock Springs
Leave By
7:54 AM MDT
Early departure recommended
Weather Watch

Slight Chance T-storms leaving Rock Springs and Mostly Sunny then Chance Rain Showers near Glenrock.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 251.5 miles (404.7 km) and usually takes 04h 32m 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 125.5 miles from Rock Springs and 126 miles from Glenrock.

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 59.7 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:54 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 Slight Chance T-storms around Rock Springs and Mostly Sunny then Chance Rain Showers near Glenrock.

Flight Path Map

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

Rock Springs

#1 Rock Springs

City in Sweetwater County, Wyoming, United States

Population22,943
Coordinates41.5874600, -109.2029000
Altitude1947
CountryUnited States
Glenrock

#2 Glenrock

Town in Converse County, Wyoming, United States

Population2,567
Coordinates42.8613600, -105.8722300
Altitude1530
CountryUnited States
Start: Rock Springs (-109.2029, 41.58746)
End: Glenrock (-105.87223, 42.86136)

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
33.59 L · about $34.53
Round trip
$69.06
17.74 gal · 67.18 L
Estimated CO2
78.8 kg one way
Round trip: 157.7 kg / 348 lb CO2, using regular gasoline.
Fuel$/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 · Apr 16, 2026

There is no time difference between Rock Springs and Glenrock. The current time is 06:04:29.

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.