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

The driving distance from Guernsey, WY to Rock Springs, WY is about 292.2 miles (470.3 km), with a travel time of about 04h 43m by car.

  • The straight-line flight distance is about 234.1 miles (376.7 km).
  • For a round trip, plan for roughly 09h 26m 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
292.26 mi
04h 43m
Flight
234.09 mi
376.73 km direct

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

Learn Distance

Choose another destination from Guernsey.

Flight Distance

Direct air line
234.09 mi
Kilometers
376.73 km
Flight Time
00h 28m

Driving Distance

Road route
292.26 mi
Kilometers
470.34 km
Drive Time
04h 43m

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 43m.

Arrival Snapshot
Arrive in Rock Springs
Wed, Apr 22, 10:22 PM MDT
Return by in Guernsey
Thu, Apr 23, 3:05 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Guernsey
2026-04-22T17:39
Arrive Rock Springs
Wed, Apr 22, 10:22 PM MDT
Route Timing
04h 43m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
10:43 AM to 12:43 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
7:34 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Guernsey
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
Elk Mountain
WY

Town of the United States

From Guernsey
146 mi
02h 21m
To Rock Springs
146.3 mi
02h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Wednesday

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 22 6:00 AM MDT
Wind
0 to 30 mph SW
Destination
58°F
Wednesday

Mostly Sunny then Slight Chance T-storms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
12 to 29 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Wyoming Avenue

    17 m · 7 sec · South Wyoming Avenue

  2. 2

    Turn left onto West Whalen Street

    2588 ft · 1 min · West Whalen Street

  3. 3

    Continue on Highway 26

    14.5 mi · 17 min · Highway 26

  4. 4

    Keep slight left

    2848 ft · 1 min

  5. 5

    Merge slight right onto Cheyenne

    18.7 mi · 18 min

  6. 6

    Take the exit slight right toward WY 34 West: Laramie

    1937 ft · 48 sec

  7. 7

    Turn right onto State Highway 34

    51.6 mi · 1 hr 4 min · State Highway 34

  8. 8

    At the end of the road, turn right onto US Highway 30

    21.1 mi · 31 min · US Highway 30

  9. 9

    Continue on North 4th Street

    1.2 km · 1 min · North 4th Street

  10. 10

    Turn left onto State Highway 13

    17.6 mi · 31 min · State Highway 13

  11. 11

    Take the ramp left

    1501 ft · 37 sec

  12. 12

    Merge slight left onto Dwight D. Eisenhower Highway

    164.4 mi · 2 hr 41 min · Dwight D. Eisenhower Highway

  13. 13

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

    2755 ft · 48 sec

  14. 14

    Turn left onto 9th Street

    2579 ft · 51 sec · 9th Street

  15. 15

    Turn left onto South Side Belt Route

    2032 ft · 41 sec · South Side Belt Route

  16. 16

    Turn slight right

    70 m · 10 sec

  17. 17

    Turn straight onto James Drive

    813 ft · 25 sec · James Drive

  18. 18

    Turn left onto Virginia Street

    905 ft · 47 sec · Virginia Street

  19. 19

    Turn left onto Edgar Street

    789 ft · 22 sec · Edgar Street

  20. 20

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

    129 m · 24 sec · Agate Street

  21. 21

    Turn left onto Collins Street

    26 m · 4 sec · Collins Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · Collins Street

Car Route Details

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

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
22 steps
12 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
7.5 / 100 mi
Decision points by distance
Main Roads
Dwight D. Eisenhower Highway
164 mi · 56%
State Highway 34
51.6 mi · 18%
US Highway 30
21.1 mi · 7%
Cheyenne
18.7 mi · 6%
State Highway 13
17.9 mi · 6%
Highway 26
15.1 mi · 5%
Longest Stretch

Dwight D. Eisenhower Highway

Merge slight left onto Dwight D. Eisenhower Highway

164 mi · 02h 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 43m
Long day trip
Same-Day Return
09h 26m
Round-trip wheel time
Road vs Air
+58.1 mi
234.1 mi direct line
Halfway Stop
Elk Mountain
02h 21m from Guernsey
Leave By
7:34 AM MDT
Early departure recommended
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 292.2 miles (470.3 km) and usually takes 04h 43m 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?

Elk Mountain is a useful midpoint, sitting about 146 miles from Guernsey and 146.3 miles from Rock Springs.

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

The direct path is about 234.1 miles (376.7 km), while the road route adds roughly 58.1 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 7:34 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $40.14 one way or $80.27 round trip. Estimated CO2 is about 91.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Guernsey and Mostly Sunny then Slight Chance T-storms near Rock Springs.

Flight Path Map

This map shows the direct air route between Guernsey and Rock Springs. Straight-line distance: 234.09 mi (376.73 km).

Guernsey

#1 Guernsey

Town in Platte County, Wyoming, United States of America

Population1,143
Coordinates42.2696900, -104.7416300
Altitude1327
CountryUnited States
Rock Springs

#2 Rock Springs

City in Sweetwater County, Wyoming, United States

Population22,943
Coordinates41.5874600, -109.2029000
Altitude1947
CountryUnited States
Start: South Wyoming Avenue (-104.741598, 42.26969)
End: Collins Street (-109.202964, 41.587676)

Estimated Travel Time

Distance: 470 km by road

SpeedTime
30 mph (48.3 km/h)09h 44m
40 mph (64.37 km/h)07h 18m
50 mph (80.47 km/h)05h 50m
60 mph (96.56 km/h)04h 52m
70 mph (112.65 km/h)04h 10m
80 mph (129 km/h)03h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.31 gal
39.04 L · about $40.14
Round trip
$80.27
20.62 gal · 78.08 L
Estimated CO2
91.6 kg one way
Round trip: 183.2 kg / 404 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $40.14 $80.27
Mid-grade $4.23 $43.62 $87.24
Premium $4.55 $46.90 $93.80
Diesel $5.41 $55.80 $111.60

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 22, 2026

There is no time difference between Guernsey and Rock Springs. The current time is 17:39:00.

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.